DOS	= DOS
OS2	= OS/2
Unx	= Unix
Mac	= Macintosh
Ami	= Amiga
WNT	= Windows NT
D/O	= DOS and OS/2
D/W	= DOS and NT
DON	= DOS, OS/2, NT
W/2	= Win32 and OS/2
W95	= Windows 95
Nov	= Novell
DNt	= General DOS network
any	= Generally portable
n/a	= not applicable

Portable functions and headers

General-purpose header files

Flag	File Name	OS	Description
*	Ascii.H	any	Convenient enumeration for ASCII control characters
*	Big_Mall.H	DON	Portably allocate memory > 64Kb
*	Cast.H	any	Cast any object to any type
*	Circbuf.Hpp	any	C++ templates for circular/ring buffers
*	Dirport.How	DON	Brief tutorial on DIRPORT.H and DIRPORT.C
*	Dirport.H	DON	Write portable directory code for various PC compilers
	Dirport.C	DON	Win 32 and OS/2 support functions for DIRPORT.H
*	Extkword.H	DON	Correct extended keywords syntax
	Hilobyte.H	any	Extract high, low bytes from an int
	Mk_Fp.H	DON	Makes sure the Intel MK_FP() macro is defined
	Minmax.H	any	Macros & typesafe C++ templates for min() and max()
+	Metric.H	any	English <-> Metric and other conversion macros
	Pi.H	any	Useful definitions using PI
	Round.H	any	Rounding macros
	Sniptype.H	any	Common include file for SNIPPETS data types and macros
	Stat.H	D/W	Posix compliant sys/stat additions
	Stringiz.H	any	Macros to use the ANSI/ISO preprocessor "stringize" macro

Miscellaneous C-callable functions

Flag	File Name	OS	Description
	A2E.H	any	ASCII <=> EBCDIC conversions
	A2E.C	any
	Toascii.C	any	EBCDIC-ASCII conversion arrays
*	Bastrngs.H	any	BASIC-like string functions
*	Bastrngs.C	any
	Cards.Hpp	any	C++ class to implment a deck of cards, shuffle, and deal
	Cards.Cpp	any
	Ccard.H	any	Header file for credit card validation functions
	Ccard.C	any	Credit card validation functions
	Ccardplv.H	any	Patch level include file for credit card validation
	Ctrlprnt.H	any	Print a line, displaying Ctrl characters
	Ctrlprnt.C	any
	Errors.H	any	Header file for SNIPPETS formatted error handlers
	Err_Exit.C	any	Print formatted error message to stderr and exit
	Ferrorf.C	any	Has ferrorf() and cant() for formatted error messages
	Fscanbin.H	any	Scan binary fields via format string
	Fscanbin.C	any
	Isisbn.H	any	Validate ISBN (book) numbers
	Isisbn.C	any
	Memrev.H	any	Assymetrical memory swap
	Memrev.C	any
	Rolldice.H	any	Roll specified # of dice, each with speficied # of faces
	Rolldice.C	any
	Strucfil.H	any	Read/write structures to/from a file
	Strucfil.C	any
	Windchil.H	any	Compute wind chill factor
	Windchil.C	any

Extensible C & C++ determine which archiver was used on a packed file

Flag	File Name	OS	Description
	Whicharc.Doc	n/a	Information about archive detection
	Whicharc.H	any	Prototype declarations for WHICHARC.CPP
	Whicharc.Cpp	any	Function to determine archive types
	Archive.Hpp	any	Declaration of extensible archive classes
*	Archive.Cpp	any	Archive class member functions

Functions to read configuration files

File Name	OS	Description
Cfg.H	any	Read configuration file dat
Cfg.C	any
Cfg.Tst	any	Test data file for CFG.C #ifdef TEST section
Initvars.H	any	Read data into variables
Initvars.C	any
Initvars.Tst	any	Test data file for INITVARS.C #ifdef TEST section

Portable file operations

Flag	File Name	OS	Description
	Snipfile.H	any	Header for portable file functions
	Ansiflen.C	any	ANSI-compliant file size function in C and C++
*	Existsx.C	any	POSIX-compliant functions to search paths for files
	Fcompare.C	any	Compare 2 files for equality
	Fopenx.C	any	Open files using EXISTSX.C path conventions
	Srchfile.C	any	Search files for text, forwards or backwards
	Textmod.C	D/O	Demo how to change lines in a text file
*	Wb_Fcopy.C	any	Fast file copy
*	Wb_Fapnd.C	any	Fast file append
	Update.H	any	Automate .BAK file generation
	Update.C	any
	Ntstream.H	any	Share-aware C++ file streams
	Ntstream.Cpp	any

Assorted string manipulation functions, some unique, some for porting

Flag	File Name	OS	Description
	Snip_Str.H	any	Header file for SNIPPETS string functions
	Pluraltx.How	any	How the plural text macros in SNIP_STR.H work
	Memmem.C	any	Like strstr(), but for non-text buffers
	Fmemmem.C	DOS	Like memmem() above, but for large DOS buffers
	Sstrcpy.C	any	Overlapping strcpy() and strcat() work-alikes
	Sstrdel.C	any	Delete multiple substrings from a string
	Stptok.C	any	Improved tokenizing function
	Strchcat.C	any	Append a single character to a string
*	Strdel.C	any	Delete a section of a string
*	Strdelch.C	any	Delete specific character(s) in a string
	Strdup.C	any	Portable strdup()
	Strecpy.C	any	Like strcpy, but returns pointer to NUL
*	Strecpy.Asm	D/O	Fast x86 assembly version of Strecpy.C
	Stristr.C	any	Case-insensitive strstr() work-alike
	Strrepl.C	any	Replace substrings
	Strrev.C	any	Reverse a string in place using XOR swapping
	Strrpbrk.C	any	Like ANSI/ISO strpbrk(), but searches from end of string
	Strupr.C	any	Portable strupr() strlwr()
	Translat.C	any	Translate string w/ C-style escape sequences
	Xstrcat.C	any	String concatenation function
*	Ruleline.C	any	Create various styles of text ruler lines
	Rmallws.C	any	Remove all whitespace from a string
	Rmlead.C	any	Remove leading whitespace from a string
	Rmtrail.C	any	Remove trailing whitespace from a string
	Trim.C	any	Trim leading, trailing, & embedded spaces
	Lv1Ws.C	any	Convert all whitespace in a string to single spaces

Assorted (sic) sorting functions

File Name	OS	Description
Snipsort.H	any	Header file for SNIPPETS sorting functions
Hugesort.C	DOS	Quicksort using huge pointers
Ll_Msort.C	any	Linked list mergesort
Ll_Qsort.C	any	Linked list quicksort
Rg_Isort.C	any	Insertion sort function
Rg_Qsort.C	any	Non-Recursive ANSI/ISO quicksort function
Rgiqsort.C	any	Recursive ANSI/ISO quicksort function
Rg_Ssort.C	any	ANSI/ISO quicksort-compatible shellsort function
Strsort.C	any	(Shell) Sort a string array

Mark Corgan's functions for indexing and looking up data in text files

Flag	File Name	OS	Description
	Indxlook.H	any	Header for INDEX.C and LOOKUP.C
*	Index.C	any	Create a binary searchable index file from a text file
	Lookup.C	any	Search a text file using a binary search index

Assorted math functions

Flag	File Name	OS	Description
*	Snipmath.H	any	Header file for SNIPPETS math functions
	Dtotp6.H	DOS	Convert between Turbo Pascal 6-byte reals and C doubles
	Dtotp6.C	DOS
+	Bcdl.C	any	BCD math (to/from long) functions
+	Bcdd.C	any	BCD math (to/from double) functions
+	Bcdd.Doc	n/a	Manual pages for BCDD.C functions
	Combin.C	any	Compute combinations without overflow
	Cubic.C	any	Solve cubic equations
	Dbl2Long.C	any	Rounds doubles to longs
	Dblround.C	any	Rounds a double to nearest whole number
	Dblround.How	any	How DBLROUND.C works
	Etphi.C	any	Compute Euler's Totient function (phi)
*	Factoryl.C	any	Factorial, combinations, permutations
	Fibo.C	any	Return any term in the Fibonacci series
	Frand.C	any	Return random double in the range of 0.0 to 1.0
	Ipow.C	any	Raise a number to an integer power
	Ispow2.C	any	Is a number an integral power of 2?
	Isqrt.C	any	Integer square root
	Ldfloor.C	any	Long double floor
+	Logscale.C	any	Fast logarithmic integer scaling function
+	Mathstat.H	any	Header file for statistical functions in C and C++
+	Mathstat.C	any	Statistical functions in C and C++
	Msb2Ieee.C	any	Convert MSBIN format to/from IEEE float
	Perm_Idx.C	any	Determine permutation index
	Rad2Deg.C	any	Convert radians <=> degrees
	Rnd_Div.C	any	Integer division with rounding
+	Parity.H	any	Header for PARITY.C
+	Parity.C	any	Compute parity for any integral type
+	Triglib.H	any	Comprehensive trig functions in radians, degrees, grads
+	Triglib.C	any

Random number functions

File Name	OS	Description
Rand1.C	any	Random number generator
Rand2.C	any	Random number generator
Rg_Rand.C	any	Minimal random number generator

Cliff Rhodes' package of unsigned integer math for arbitrarily large numbers

File Name	OS	Description
Bignum.H	any	Header declaring the BigNum struct and prototypes
Bignum1.C	any	Add, subtract, and multiply BigNum's
Bignum2.C	any	Divide BigNum's
Bigtest.C	any	Test and demo program using BigNum's

Various ways of computing PI to ridiculous lengths

Flag	File Name	OS	Description
+	Spigot.C	any	Calculate PI to ~1,000 digits using integer math
	Pi.C	any	Calculate PI to 8,000+ digits
	Pi8.C	any	Another PI calculator
	Pi8.Nfo	any	A discourse on the PI8.C algorithm
	Pi_Agm.C	any	Calculate PI to 10's of thousands of digits

Numerical <=> string conversion functions

Flag	File Name	OS	Description
*	Numcnvrt.H	any	Header for SNIPPETS numerical <=> string conversions
	Bascnvrt.C	any	Convert radix of a numeric string
	Commaflt.C	any	Format doubles using commas and variable precision
	Commafmt.C	any	Format long integers using commas
	Eng.C	any	Convert floating point value to engineering notation
	Eval.C	any	Simple arithmetic expression evaluator
	Eval.How	any	How EVAL.C works
	Fmtmoney.C	any	Format US dollar amounts into text strings
	Hexorint.C	any	Auto-convert hex or decimal strings
	Hstr_I.C	any	Convert hex string to int
	Ltoa.C	any	Convert long to a string
	Ltostr.C	any	A safer version of ltoa()
	Ord_Text.C	any	Format ordinal numbers in English
	Scanfrac.C	any	Scans/converts text fractions
	Str27Seg.C	any	Convert numeric string to 7-segment displays
+	L2Roman.C	any	Convert long integers to roman numerals
+	Roman2L.C	any	Convert roman numerals to long integers

Multi-dimensional array functions

Flag	File Name	OS	Description
	Snparray.H	any	Header for multi-dimentional array functions
	Amalloc.C	any	Multi-dimensional array allocation (limited to <64K on PC)
	Mdalloc.C	any	Multi-dimentional array allocte and free (any size)
*	Mdasort.C	any	Test program demonstrating array sorting

Bit-level operations

File Name	OS	Description
Bitops.H	any	Prototypes, plus macros to set, clear, and test bits
Bitops.How	any	How the BitXxx() macros in BITOPS.H work
Bitarray.C	any	Bit array functions
Bitcnt_1.C	any	Count bits in a number (fast, clever)
Bitcnt_2.C	any	Count bits in a number (fascinating)
Bitcnt_3.C	any	Count bits in a number (table look-up)
Bitcnt_4.C	any	Count bits in a number (recursive table look-up)
Bitcnts.C	any	Benchmark to test BITCNT_x.C functions
Bitfiles.C	any	Read/write bit files
Bitstrng.C	any	Print binary formatted strings
Bstr_I.C	any	Convert binary string to int

Auke Reitsma's comprehensive linked list functions

Flag	File Name	OS	Description
	Llist.Nts	any	Notes on linked list functions
	Ll_Defs.H	any	Common includes and macros
	Lls.H	any	Singly linked list header
	Lls_Blob.H	any	Singly linked list for Binary Large OBjects
	Lls_Str.H	any	Singly linked list for strings
	Ll_Que.H	any	Singly linked list as queue
	Ll_Stack.H	any	Singly linked list as stack
	Lld.H	any	Doubly linked list header
	Lld_Blob.H	any	Doubly linked list for Binary Large OBjects
	Lld_Str.H	any	Doubly linked list for strings
	Lls.C	any	Singly linked list functions
	Lls_Blob.C	any	Singly linked list BLOB functions
	Lld.C	any	Doubly linked list functions
	Lld_Blob.C	any	Doubly linked list BLOB functions
	Stack.H	any	Header for stack management functions
	Stk_Defs.H	any	Common definitions and debugging macros
	Stack.C	any	Stack management functions
	Stk_Blob.H	any	Header for stack management of Binary Large OBjects
	Stk_Str.H	any	Header for stack management of strings as BLOB's
	Stk_Blob.C	any	Stack management functions for Binary Large OBjects
+	Ll_Demo.C	any	Demonstration of linked list functions in action

Auke Reitsma's finite state machine (FSM) functions

Flag	File Name	OS	Description
	Fsm.H	any	Header file for simplified FSM implementation
*	Fsm.C	any	Simplified FSM implementation

David Nugent's linked list container classes

Flag	File Name	OS	Description
*	List.Hpp	any	Header
*	List.Cpp	any	Member functions

Peter Yard's double ended queue functions

Flag	File Name	OS	Description
+	Deque.H	any	Header file supporting queues, stacks, FIFOs
+	Deque.C	any	Functions, including sort and search

Dustin Puryear's stack managment functions

Flag	File Name	OS	Description
	Stk.H	any	Header for stack manager
	Stk.C	any	Stack manager - init, push, pop, count

Jerry Coffin's hash table functions

Flag	File Name	OS	Description
	Hash.H	any	Header for hash table functions
*	Hash.C	any	Hash table management

J. Kercheval's PD regular expression comparator

File Name	OS	Description
Match.Doc	any	Documentation for Match.C
Match.H	any	Header file
Match.C	any	Portable source including optional test code

Functions to match similar sounding strings

Flag	File Name	OS	Description
	Phonetic.H	any	Header for all phonetic comparison functions
	Soundex.C	any	Standard English soundex
	Soundex4.C	any	English soundex optimized for use with surnames
	Soundex5.C	any	Another soundex variant
*	Metaphon.C	any	Phonetic string matching: English, but better than soundex
	Approx.C	any	Fuzzy string search

Ray Gardner's scalar date functions plus other date and time functions

Flag	File Name	OS	Description
	Scaldate.H	any	Scalar ("Julian") date header
	Scaldate.C	any	Scalar ("Julian") date functions
	Daynum.C	any	Return statistics about a given date
	Isdst.C	any	Determine if a given date is in Daylight Savings Time
	Today.C	any	Return today's date as a scalar value
*	Dow.C	any	Return day of the week for any date
	Fdate.C	Dnt	Return DOS file date as a scalar value
	Cal.C	any	Calendar using Scaldate.C
	Datetime.H	any	Header for other time and date functions
	Jdn_L.C	any	Long integer Julian Day Number computation
	Addtime.C	any	Add two times (hh:mm:ss) together, normalizing the result
	Easter.C	any	Determine the date of Easter in any given year
	Moon_Age.C	any	Determine the phase of the moon for any given date
	Parsdate.C	any	Parse a date string
	Parstime.C	any	Parse a time string
*	Strftime.H	any	Non-locale version of ANSI/ISO strftime()
*	Strftime.C	any

Branislav Slantchev's zDate class library

Flag	File Name	OS	Description
	Zdate.Man	any	Manual for using the zDate class library
*	Date.Hpp	any	The zDate header
*	Date.Cpp	any	The zDate functions
*	Datedemo.Cpp	any	Demonstration of the capabilities of the zDate library

Jerry Coffin's word wrapping functions

File Name	OS	Description
W_Wrap.H	any	C header w/ prototypes and enum'ed constants
W_Wrap.C	any	C functions
Center.C	any	Center a wrapped line

Various CRC and checksum functions

Flag	File Name	OS	Description
	Crc.Txt	n/a	CRC calculation tutorial
*	Crc.H	any	Header file for SNIPPETS CRC and checksum functions
	Arccrc16.C	any	Compute CRC's using ARC, LZH algorithm
	Crc_16.C	any	Calculated 16-bit CRC
*	Crc_16F.C	any	Fast 16-bit CRC
*	Crc_32.C	any	Table lookup 32-bit CRC
	Checksum.C	any	Calculate checksum
	Checkexe.C	DOS	Checksum protection for executable files
	Crc.Hpp	any	Header for multiple CRC calculation class
	Crc.Cpp	any	Calculation class for 6 types of 16- and 32-bit CRC's

Craig Morrison's registration key functions

Flag	File Name	OS	Description
*	Regkey.H	any	Header file for REGIT.C and CHKREG.C
	Regit.C	any	Generate registration key
*	Chkreg.C	any	Validate registration key

Functions to get command line options

Flag	File Name	OS	Description
	Getopts.Man	n/a	Manual for using getopts()
	Getopts.H	any	Header for Getopts.C
*	Getopts.C	any	Scan command line for switches, filenames, response files
	Getoptst.C	any	Test program to exercise getopts()
	Palnfilt.C	any	Palindrome filter, demo for Getopts.C
+	Getoptsl.Man	n/a	Manual for using getopts_lite()
	Getoptsl.H	any	"Getopts Lite" - Smaller & simpler than full GETOPTS
	Getoptsl.C	any

String searching functions

File Name	OS	Description
Search.H	any	SNIPPETS Header for string searching functions
Pbmsrch.C	any	Pratt-Boyer-Moore string search
Bmhsrch.C	any	Case-sensitive Boyer-Moore-Horspool search
Bmhisrch.C	any	Case-insensitive Boyer-Moore-Horspool search
Bmhasrch.C	any	Case-insensitive BMH search w/ accented chars

David Nugent's iostreams (C++) tutorial

Flag	File Name	OS	Description
	Iostutor.Txt	any	Tutorial for following demo code
	Myio.H	any	Header for Myio.Cpp
*	Myio.Cpp	any	Simple I/O class
	Mystream.H	any	iostream Interface for class Myio
	Mystream.Cpp	any	ios Interface implementation
	Myline.H	any	Simple line input classes
	Myline.Cpp	any	Implementation of myLine classes
	Myiodemo.Cpp	any	myio Loopback demo
	Myio.Mak	any	Makefile for Iostutor.Txt demo files

David Nugent's simple (sic!) string class

Flag	File Name	OS	Description
	Str.Doc	any	Information on the string class
*	Str.H	any	C++ header
*	Str.Cpp	any	Simple, portable C++ string class

David Nugent's time functions class (a C++ wrapper for ANSI/ISO struct tm)

File Name	OS	Description
Loctm.H	any	Header for time class
Loctm.Cpp	any	C++ class wrapper
Locdfmt.Cpp	any	Date formatting functions
Loctfmt.Cpp	any	Time formatting functions
Locfmt.Cpp	any	Date/time combined format
Lttest.Cpp	any	Test main() for C++ time class

Walter Bright's memory allocation debugging package

Flag	File Name	OS	Description
	Mem.Txt	n/a	Information on the Mem package
	Toolkit.H	D/O	Compiler-independent portability header
	Mem.H	D/O	Mem package header
*	Mem.C	D/O	Mem package code

Jeff Dunlop's memory allocation debugging package

File Name	OS	Description
Jmalloc.H	DOS	Jmalloc package header
Jmalloc.C	DOS	Like MEM, more functions, check the copyright
Jnew.H	DOS	C++ debugging package for new, delete, uses JMALLOC
Jnew.Cpp	DOS

PC (DOS, OS/2) functions

General-purpose PC header files

Flag	File Name	OS	Description
	Ansicode.H	DOS	Macros for ANSI.SYS screen control
	Ansitest.C	DOS	Test demo for ANSICODE.H, including remote detection
	Dosgetch.H	DOS	Used by ANSITEST.H
	Dosgetch.Asm	DOS	Used by ANSITEST.H
*	Unistd.H	DOS	Posix standard header file for porting to DOS
*	Pcnvrt.H	any	Convert Pascal strings to C

C-Callable x86 assembly harware ID functions

File Name	OS	Description
Intel.H	DOS	Header for x86 hardware functions
Cpuid.Asm	DOS	Determine type of CPU/coprocessor in use
8087_Sav.Asm	DOS	Saves/restores 80x87 environment

Bob Stout's POSIX compliant directory functions & related files

File Name	OS	Description
Dirent.H	D/O	POSIX compliant header
Posixdir.C	D/O	opendir(), readdir(), seekdir(), rewinddir() closedir()
Posix_Ls.C	D/O	Directory lister demo
Dirmask.C	D/O	Complex pattern matching (calls xstrcmp())
Xstrcmp.C	any	Compare strings using DOS wildcards

DOS file name processing functions

Flag	File Name	OS	Description
*	Filnames.H	DOS	Header file for file name processing functions below
	Fln_Fix.C	DOS	Crunch dot directories, verify DOS-valid paths
	Flnorm.C	DOS	Full file name normalization
	Unix2Dos.C	DOS	Convert Unix-style pathnames to DOS-style
	Chgext.C	DOS	Change/add a file name extension
*	Fnsplit.C	DOS	Portable fnsplit(), fnmerge() equivalents
	Vfname.H	any	Configuration header file for Vfname.C
	Vfname.C	any	Validate legal file names - DOS defaults but configurable

DOS file and directory processing functions

Flag	File Name	OS	Description
*	Dosfiles.H	DOS	Header for SNIPPETS DOS file and directory functions
	Addhndls.C	DOS	Allow more than 20 open files under DOS 3+
	Addpath.C	DOS	Append a new entry to DOS PATH
*	Doscopy.C	DOS	Copy a file via DOS COPY command
	Drvalid.C	DOS	Benignly validate disk drives
	Favail.C	DOS	How many more files may be fopen'ed?
	Fchsize.C	DOS	Truncate/extend/resize DOS fiels using FILE pointers
	Files.C	DOS	Determine number of FILE set in CONFIG.SYS
+	Fupdate.C	DOS	A set of portable _commit() functions
	Getdcwd.C	D/O	Get current working directory for any given drive
	Iscdrom.C	DOS	Determine if a given drive is a CD-ROM
	Iscons.C	DOS	Does a FILE * refer to the console?
	Isfopen.C	DOS	Is a FILE * in use?
	Isnetdr.C	DNt	Determine is a drive is local or remote
	Isramdsk.C	DOS	Determine if a drive is a RAM disk
	Iswprot.C	DOS	Determine is a floppy is write protected
*	Mkdirs.C	any	Build directory tree (deep mkdir())
*	Pushdir.C	DOS	Stack-oriented CHDIR functions
	Truname.C	DOS	Normalize filename using undocumented DOS
	Filelist.H	D/O	Read a directory into a linked list
	Filelist.C	D/O

PC compiler compatibility functions

Flag	File Name	OS	Description
	Problems.Txt	DOS	Common portability problems and some recommended solutions
*	Pchwio.H	DOS	Hardware I/O portability header
*	Pchwio.C	DOS	Hardware I/O portability functions
	Biport.H	DOS	Header to port Borland _geninterrupt()
	Biport.C	DOS	Port Borland code using pseudovariables
	Bc_Rand.H	any	Port Borland random() and randomize()
	Fmemops.H	DOS	Emulate MSC's _fmemxxx() in Power C, ZTC++, and older TC++
	Fmemops.C	DOS
	Ftime.H	DOS	BC++-style file date/time struct and prototypes
*	Ftime.C	DOS	BC++-style file date/time functions
	Delay.H	any	Portable time delay() function
	Delay.C	any
	Clock.H	DOS	Add clock() to older compilers without it
	Tc15.H	DOS	Demo of portability header for older compiler (TC 1.5)

Steve Poole's non-block console I/O functions to port PC code to Unix

Flag	File Name	OS	Description
	Unxconio.H	Unx	Unix CONIO.H
*	Term_Opt.C	Unx	Supporting function for CONIO.H functions
	Unxgetch.C	Unx	A getch() for Unix!

Other Unix compatibbility functions

Flag	File Name	OS	Description
	Unxsleep.C	Unx	The microsleep() function for SysV and BSD

Various system-level and utility functions

Flag	File Name	OS	Description
	Snpdosys.H	DOS	Header file for DOS system-level function
	Getseg.H	DOS	Get segment and offset of any object
	Break.C	DOS	Control DOS "SET BREAK=" status
	Fndislot.C	DOS	Locate an unused user interrupt vector
	Dosfrmat.C	DOS	Use DOS format to format a diskette
	Format.H	DOS	Complete low-level floppy format
*	Format.C	DOS
	Fptr_Add.C	DOS	Add any value to a far pointer and normalize far pointers
	Isshare.C	Dnt	Determine if file sharing is enabled
	Joystick.C	DOS	Joystick support functions
	Memavail.C	DOS	Report available DOS memory
	Nwlinname.C	Nov	Retrieve NetWare login name
	Pfopen.C	any	Open a file anywhere
*	Redirect.C	any	Redirect standard streams
	Shel2Dos.C	DOS	Shell to DOS from a running program
	Os_Id.Txt	n/a	Description of OS_ID.C functions
	Os_Id.C	D/O	Determine PC OS, also give up a time slice to the OS
	Ticktrap.H	DOS	Install a function as a timer tick ISR
	Ticktrap.C	DOS

Martin Maney's fast line buffered file input

Flag	File Name	OS	Description
	Xfile.H	DOS	Header w/ prototypes
	Xfile.C	DOS	Contains xopen(), xclose(), xgetline()
*	Xtest.C	DOS	Demo for above

Portable PC video (text) functions

Flag	File Name	OS	Description
	Scrnmacs.H	DOS	Macros for portable video work
	Dvidport.H	DOS	Macros for portable direct screen text output
	Vidport.C	DOS	Portable gotoxy(), clrscr(), etc. equivalents,
	Dvidport.C	DOS	Code to support DVIDPORT.H
	Scrnsave.C	DOS	Save and restore text screens (buffer)
	Fscrnsav.C	DOS	Save and restore text screens (file)
	Scroll.C	DOS	Scroll screen function
	Atr2Ansi.C	DOS	Given video attributes, build an ANSI.SYS command string
	Dvideo.H	DOS	C video information functions
	Dvideo.C	DOS
	Ansiload.H	DOS	Detect ANSI.SYS
	Ansiload.C	DOS
	Cursor.H	DOS	Cursor management/manipulation
	Cursor.C	DOS
	Vgablank.H	DOS	Blank/restore EGA/VGA screens
	Vgablank.C	DOS
	Bresnham.H	any	Draw lines and circles
*	Bresnham.C	any
*	Bhamdemo.C	any	Additional demo for BRESNHAM.C

Andrew Clarke's direct video and keyboard functions

File Name	OS	Description
Vidmgr.Txt	n/a	Information about the package
Vidmgr.H	DON	Header file for the package
Opsys.H	any	Operating environment specific definitions
Vioimage.H	DON	Header for functions to save and restore text images
Vidmgr.C	DON	Portable functions
Opsys.C	any	Operating environment specific code
Vioimage.C	DON	Portable functions for saving and restoring text images
Vmgrdos.C	DOS	DOS-specific functions
Vmgros2.C	OS2	OS/2-specific functions
Vmgremx.C	OS2	EMX-specific functions
Vmgrdjgp.C	DOS	DJGPP=specific functions
Vmgrwnt.C	WNT	Windows NT-specific functions
Compile.Bat	DOS	Batch file to compile the package
Compile.Cmd	OS2	Command file to compile the package
Makefile.Djg	DOS	Makefile for DJGPP for DOS 2.0
Makefile.Dos	DOS	Makefile for Borland C++ for DOS 3.1+
Makefile.Emo	OS2	Makefile for EMX for OS/2 0.9b
Makefile.W16	DOS	Makefile for Watcom C/C++ for DOS 10.0
Makefile.W32	DOS	Makefile for Watcom C/C++ for 32-bit extended DOS 10.0
Makefile.Wat	OS2	Makefile for Watcom C/C++ for OS/2 10.0
Makefile.Emx	D/O	Makefile for EMX for OS/2 and DOS 0.9b
Makefile.Bcc	DOS	Makefile for Borland C++ for OS/2 1.0
Makefile.Wnt	WNT	Makefile for Watcom C/C++ for Windows NT 10.0
Makefile.Qcc	DOS	Makefile for MSC/QC for DOS
Makefile.Cyg	WNT	Makefile for Cynus GNU C/C++ for Windows NT b14.0
Qmenu.C	DON	VidMgr demonstration program
Qm.Bat	DON	Batch file to run QMENU
Qm.Cmd	DON	Command file to run QMENU
Qmenu.Mnu	DON	QMENU options file

Bob Stout's readable screen display functions (DOS but easily "portablized")

Flag	File Name	OS	Description
	More.H	DOS	Header file for more_proc() and adj_scroll()
*	Moreproc.C	DOS	Display lines using MORE-style processing
*	Adjscrol.C	DOS	Display lines using dynamically adjustable scroll rate
	More.C	DOS	DOS/Unix more work-alike

Mark Kimes ANSI screen code interpreter

File Name	OS	Description
Doansi.H	DOS	Header file
Doansi_1.C	DOS	Portable intepreter
Doansi_2.C	DOS	OS-specific support functions

David Nugent's C++ ANSI/Avatar screen code interpreter

Flag	File Name	OS	Description
	Showansi.Doc	n/a	Documentation for package
	Scrintrp.Hpp	DON	Base class for screen interpreters
	Video.Hpp	DON	Simple video control class header
	Ansisys.Hpp	DON	Header file for ANSI interpreter
	Avatar.Hpp	DON	Header file for Avatar interpreter
	Scrintrp.Cpp	DON	Implements screen interpreter base class
*	Video.Cpp	DON	Implements video control class
	Ansisys.Cpp	DON	Implements ANSI interpreter class
	Avatar.Cpp	DON	Implements Avatar interpreter class
*	Showansi.Cpp	DON	Protram to display ANSI/Avatar files
	Saemx.Mak	OS2	Make file for EMX
	Saw16.Mak	D/W	Make file for Watcom 16-bit target environments
	Saw32.Mak	D/W	Make file for Watcom 32-bit target environments

Bob Stout/Lynn Lively/David Fox sound & timing package

File Name	OS	Description
Uclock.H	DOS	Microsecond timing function header
Uclock.C	DOS	Microsecond resolution timing functions
Uclock_.Asm	DOS	Microsecond resolution timing support functions
Sound.H	DOS	Sound functions header
Sound.C	DOS	Speaker control functions
Mktone.C	DOS	Tone generation functions
Playlib.C	DOS	Background music package
Playdemo.C	DOS	Demo of backgroud music package

Bob Stout's direct disk I/O functions

Flag	File Name	OS	Description
*	Snpdskio.H	DOS	Header for SNIPPETS direct disk I/O functions
	Dos5Boot.H	DOS	Header for boot sector access
	Absdiskc.C	DOS	C read and write functions
	Absdisk.Asm	DOS	Low-level code for disk I/O, DOS 2-5
*	Hugeread.C	DOS	Read & write huge data using far pointers
	Disk_Sn.H	D/O	Retrieve a disk serial number
	Disk_Sn.C	D/O

Ruurd Pels's FOSSIL access functions

Flag	File Name	OS	Description
	X00Api.H	DOS	C header w/ prototype declarations
	X00Api.C	DOS	C access functions

Interrupt-driven serial I/O functions

File Name	OS	Description
Queue.H	DOS	Queue management header
Serial.H	DOS	Serial I/O header
Queue.C	DOS	Queue manager
Serial.C	DOS	Interrupt-driven serial I/O library
Modemio.H	DOS	Simple serial I/O header
Modemio.C	DOS	Simple interrupt-driven serial I/O library

Robert Mashlan's PRINT.COM interface functions

File Name	OS	Description
Prnspool.H	DOS	C header w/ prototype declarations
Prnspool.C	DOS	PRINT.COM spool queue functions
Printq.C	DOS	Demo program for above

PC Printer control functions

Flag	File Name	OS	Description
	Sniprint.H	DOS	Header file for SNIPPETS PC printer control functions
	Assignpr.C	DOS	Multiple printer support
	Changprn.C	DOS	Change the standard printer device
*	Prtoggle.C	DOS	Tee stdio to stdprn
	Prtscrn.C	DOS	Invoke BIOS print screen function
	Prtstat.C	DOS	Determine printer status

Bob Stout's Portable PC exception handling

File Name	OS	Description
Except.Doc	DOS	Information on programs below
Cctrap.Asm	DOS	Int 23h (Ctrl-C) trap
Cbtrap.Asm	DOS	Int 1Bh (Ctrl-Break) trap
Trapflag.Asm	DOS	Trap & flag Ints 23h & 1Bh
Trapdemo.C	DOS	Demo of TRAPFLAG.ASM
Cerrinst.Asm	DOS	Install DOS critical error handler
Cerrtrap.Asm	DOS	DOS critical error handler

Code to reboot a PC under verious operating systems

Flag	File Name	OS	Description
	Reboot.Asm	DOS	Reliable cold/warm boot for DOS, Windows 3.1
	Os2_Boot.C	OS2	Reboot for OS/2

Mouse functions

File Name	OS	Description
Mouse.H	DOS	Header w/ prototypes
Mouse.C	DOS	Essential mouse stuff
Scrnpick.C	DOS	Demo, retrieves text from screen using mouse

Dos (and OS/2) keyboard I/O functions

Flag	File Name	OS	Description
	Ext_Keys.H	D/O	Header to define extended key codes
	Ext_Keys.C	D/O	A getch() work-alike for extended keyboards
*	Faskbhit.C	D/O	Fast kbhit(), kbflush(), ext_inkey()
	Faskbhit.How	D/O	How the FASKBHIT.C functions work.
	Kb_Data.H	D/O	Keyboard status determination
*	Snipkbio.H	D/O	Header file for SNIPPETS keyboard I/O functions
*	Getyn.C	DOS	Get a yes/no response with prompt, default, and timeout
+	Kb_Stuff.C	DOS	Stuff a single character or string into the keyboard buffer
	Isshift.C	D/O	Determine if shift, alt, or ctrl key is pressed
	Isxkbrd.C	DOS	Detects extended (101+ key) keyboard
	Keylocks.C	DOS	Caps/Num lock set/clear functions
	Kbtrap.H	DOS	Traps reset, break, system keys
*	Kbtrap.C	DOS
	Timegetc.C	DOS	Wait specified time for a keypress
	Editgets.H	any	Get an input string with editing functions
	Editgets.C	any
	Getstrng.C	any	Safe gets() for input string of unknown length

Cliff Rhodes' EMS and XMS support functions

File Name	OS	Description
Xms.H	DOS	Header for XMS memory functions
Xms.C	DOS	XMS memory functions
Xmstest.C	DOS	Demo/test program for XMS memory functions
Ems.H	DOS	Header for EMS memory functions
Ems.C	DOS	EMS memory functions
Emstest.C	DOS	Demo/test program for EMS memory functions

Robert Mashlan's memory allocation strategy functions

Flag	File Name	OS	Description
	Strat.H	DOS	C header w/ prototypes and enum'ed constants
	Strat.C	DOS	C functions

Stuff for those wishing to try to set the master environment (don't do it!)

Flag	File Name	OS	Description
	Environ.Txt	DOS	Notes on changing the master environment
	Int2E.H	DOS	Header file for Int 2Eh functions
	Int2E.Asm	DOS	Access command processor "back door"
	Ccomcall.C	DOS	C "glue" to use Int 2Eh
	Glbl_Env.C	DOS	Update and remove global environment variables
	Mcb_Env.C	DOS	Modify master environment using MCB's
*	Setenvar.C	DOS	Set DOS master environment legally

Erik Bachmann's library and utilities

Flag	File Name	OS	Description
	Bacstd.H	DOS	Header for the BACSTD library
	Modulinf.H	any	Defines structure and macros for status tracking
	Sortkey.H	DOS	Sort order tables for non-English sort sequences
	Date__.C	DOS	Convert a date string from __DATE__ to ISO format
	Time__.C	DOS	Convert a time string from __TIME__ to standard format
	Cmpstr.C	DOS	Compare strings with variable sort order
	Modulus.C	DOS	Basic routines for creating and checking modulus values
	Repstr.C	DOS	Replace a pattern in a large amount of dat
	Strcase.C	DOS	Converts to upper/lower case using non-ASCII conversion
	Strnsub.C	DOS	Search for a string, replace it with a new string
	Strrepc.C	DOS	Replace all occurrances of one character with another
	Strtrim.C	DOS	Trim blanks from a string
	Strtrimc.C	DOS	Remove specific characters from a string
	Fsif.C	DOS	Search a binary file for a string
*	What.C	DOS	DOS version of Unix what

Utilities/Demos

Programmer's utilities

Flag	File Name	OS	Description
	C_Cmnt.C	any	Extract C comments (handles trigraphs)
	Chmod.C	DOS	Change DOS file attributes - wildcards, etc.
	Errfix.C	DOS	Redirect stderr to a file
	Getcmt.C	any	Extract comments from C/C++ source files
	Testcmt.C	any	Test file for above
	Hexdump.C	any	Hex/ASCII file dump utility
	Line.C	any	Filter to add line numbers to a file
	Remtab.C	any	Convert tabs to spaces
	Safeminx.C	DOS	Tool to prevent multiple header file inclusion
*	Seqtouch.C	D/O	Sequentially time/date stamp files in a directory
	Setimeto.C	DOS	Set a file's time/datestamp to match another's
*	Sniptree.C	DOS	Create a directory tree for SNIPPETS files
	Stub.C	any	Truncate .OBJ (and other) files
	Timer.C	DOS	Time the execution of a program

Jari Laaksonen's comment utilities in C++

File Name	OS	Description
Cmtconvr.Txt	n/a	Description of comment utilities
Cmtparsr.H	any	Header for the comment parsing engine
Cmtconvr.H	any	Header file for the comment converter
Cmtcount.H	any	Header file for the comment counter
Cmtremov.H	any	Header file for the comment stripper
Cmtxtrac.H	any	Header file for the comment extractor
Cmtparsr.Cpp	any	The comment parsing engine
Cmtconvr.Cpp	any	Convert C++ style comments to C style
Cmtcount.Cpp	any	Counts commented lines
Cmtremov.Cpp	any	Strip comments from a source file
Cmtxtrac.Cpp	any	Extracts comments from a source file
Cmttests.C	any	Test file for comment utilities

Jari Laaksonen's older comment utilities in C

File Name	OS	Description
Commconv.C	any	Convert C++ style comments to C style
Remcmmnt.C	any	Strip C and C++ comments
Comments.Cpp	any	Test file for above

Fred Cole's CSPLIT utility

Flag	File Name	OS	Description
	Csplit.H	any	Header file for CSPLIT
	Csplit.C	any	Split source file(s) for electronic transmission

Various flavors of grep utilities

Flag	File Name	OS	Description
	Jgrep.C	DOS	Simple and portable
	Grep.C	any	"Real" grep - free with some strings

Other utilities and demos

Flag	File Name	OS	Description
	2Dlife.C	any	2-D Life program
	Ansiself.C	any	Self-replicating program in ANSI/ISO C
	Bigfac.C	any	Do large factorials using ASCII multiply
	Bincomp.C	any	Binary file comparison utility
	Bodymass.C	any	Calculate ideal weight for your height
	Bordcolr.C	DOS	Set border color
	Cdir.C	DOS	Like DOS CHDIR except changes drives as well
	Chbytes.C	any	Edit binary files in place
	Cmdline.C	any	Demonstation how to access command line arguments
	Cursize.C	DOS	Set the cursor size
	Do.C	DOS	Specify multiple command line commands
	Dossort.C	DOS	SORT work-alike
	Drivsrch.C	DOS	Search for physical/logical drives
	Drvs.C	DNt	Checks for valid disk drives, local or remote
	Dspclock.C	DOS	On-screen TSR clock
	Dspdtst.C	DOS	I/O benchmark - Miscrosoft/Borland/Symantec/Watcom/Mix
	Dspdtst.Out	DOS	Results from DSPDTST on my machine
	Factor.C	any	Print prime factorization of a number (double)
	Filcount.C	DOS	Count files/directories
	Filecat.H	any	Header for FILECAT.c and MAXLINE.C
*	Filecat.C	any	Adds one file onto another vertically
*	Maxline.C	any	Returns the length of the longest line in text file
*	Flopcopy.C	DOS	Copy a floppy to a HD subdirectory
	Fraction.C	any	Convert a real number to an integer ratio
	Getvol.C	DOS	Retrieve a disk volume label
	Grafline.C	DOS	Demo of PC line drawing characters
+	Hamlet.C	any	Really cute obfuscated code by Tom Torfs
	Head.C	any	Unix head work-alike
	Howdy.C	any	Obfuscated C code
	Ifactor.C	any	Print prime factorization of a number (long)
	Inchcvrt.C	any	Convert inches to feet/inches and fractions
	Kbflip.C	DOS	Set/clear Caps/Num/Scroll locks
	Keywatch.C	DOS	Demonstrates capturing keyboard interrupt
	Krnldemo.C	any	Demo of cooperative multitasking
	Killff.C	any	Strip FF characters from text files
	Log.C	any	Utility to log working time
	Lsd.C	DOS	DIR enhanced work-alike
	Lzhuf.C	any	Compression used in LHARC & LHA
	Mainmain.C	any	Obfuscated C code
	Maze_1.C	any	Maze generator
	Maze_2.C	any	Obfuscated maze generator
	Maze_3.C	any	Cute maze generator. Run, then enter size.
	Morse.C	any	Convert strings to morse code
	Mterm.C	DOS	Micro terminal (comm) program - use with X00 package
*	Mv.C	DOS	Move files
*	Nlcnvrt.C	any	Convert text files between DOS and Unix (CRLF <=> LF)
	Palndrom.C	any	Self-replicating palindrome - try it!
	Permute1.C	any	Permute strings
	Permute2.C	any	Permute strings
	Pr.C	any	Print a file with headers & breaks
	Prntself.C	any	Program which prints its own source
*	Query.C	DOS	Timed query w/default for batch files
	Rdxcnvrt.C	any	Convert between number bases
	Reversi.C	any	Reversi game from '94 Obfuscated C Contest
*	Rm_All.C	DOS	Remove all files - now supports recursion
*	Setlevel.C	DOS	Query user from file, return answer in ERRORLEVEL
	Setvol.C	DOS	Set, change, or kill a disk volume label
	Skiplist.C	any	Demonstration of skip lists
	Speed.C	DOS	Benchmark to calculate I/O performance
	Spin.C	any	Demo of how to make various text "spinners"
*	Split.C	any	Split large text files into smaller ones
	Stats.C	any	Analyze file statistics
	Stripeof.C	DOS	Strip ^Z characters from DOS text files
	Sunriset.C	any	Computes length of day at any place on Earth
	Tabtrick.C	any	Demo using printf() for columnar formatting
	Tail.C	any	Print last n (default = 5) lines of a file
	Tiresize.C	any	Calculate English dimensions for standard metric tire sizes
	To4Dos.C	D/O	Convert SNIPPETS.NDX to 4DOS DESCRIPT.ION file
	Todaybak.C	DOS	Back up today's files to a floppy
	Touch.C	DOS	TC/TC++/BC++ set file time/date stamp
	Treedir.C	DOS	Recursive directory lister
+	Uusyntax.Man	any	Instructions for UUNECODE and UUDECODE
	Uuencode.C	any	Unix uuencode
	Uudecode.C	any	Unix uudecode
	Wc.C	any	Like Unix wc, counts lines, words, chars
	Weird.C	any	Obfuscated C code
	Where.C	DOS	Search for a file
	Wordwrap.C	DOS	Simple CRT word wrap demonstration
	Wputch.C	DOS	Demonstrates how to restrict output to a text window
	Fork.Man	n/a	A fork command for DOS
	Fork.H	DOS
	Fork.C	DOS
	T_Clean.Doc	n/a	Clean disks/directories by removing old files
*	T_Clean.C	Dnt

Miscellaneous and FAQ (Frequently Asked Question) files

Miscellaneous code snippets

File Name	OS	Description
Hires.Asm	DOS	Switch to 43/50 line mode on EGA/VGA
Fpswitch.C	any	Demo how to use function pointer arrays
Fsm_Demo.C	any	Demonstrates a finite state machine

Miscellaneous files

File Name	OS	Description
Make.Ini	any	Master file for NDMAKE
C_Lines.Awk	any	AWK script to count lines of C code
Asmcnvrt.Awk	DOS	AWK script to convert "asm" lines in DOS compilers
Compiler.C	DOS	Test for popular PC compilers & versions
Style.C	any	Suggested coding style guidelines

FAQ file (answers to Frequently Asked Questions)

Flag	File Name	OS	Description
	C_Faq.Nfo	n/a	Information where to get the comprehensive C language FAQ
	C_Prec.Txt	n/a	Operator precedence/associativity in C/C++
+	Cstorage.Txt	n/a	Tutorial for C keywords auto, extern, const, static...
	Posix.Nfo	n/a	Answers the "What is Posix?" FAQ
*	Stdstuff.Txt	n/a	Crib sheet of standard C functions, macros, and keywords
	Cpp_Faq.Txt	n/a	Frequently-asked questions from the FidoNet C++ echo
	Copyrite.Nfo	n/a	Brief information on copyright law
	Storage.Typ	n/a	C storage types crib sheet
	Rtlftrul.Txt	n/a	Right-left rule for reading C
	Ptrtutor.Txt	n/a	C pointers and arrays tutorial
	Rlvalue.Txt	n/a	Brief tutorial on lvalues, rvalues, and pointers
	C_Port.Txt	n/a	How to write portable C code
	Hungnote.Txt	n/a	Simonyi's original monograph on "Hungarian Notation"
	Enums.Txt	n/a	Helpful hints for enums
+	Nul!Null.Txt	n/a	The difference between "null", NULL, and NUL
	Sorts.Txt	n/a	Discussion of sorting techniques
	Decompil.Txt	n/a	Looking for a decompiler? Read this!
	Resource.Lst	n/a	C Resource (books, magazines, vendors) list
	Vt100.Txt	n/a	Chart of VT-100 escape codes
	Which_C.Txt	DOS	Guidelines for choosing a PC C compiler
*	Pclrscrn.How	DOS	How to clear a PC screen
	Ansisys.Txt	DOS	Chart of ANSI screen control codes
	Mmodels.Faq	DOS	Information on DOS real mode memory models
	Para_Faq.Txt	DOS	PC Parallel Port Mini-FAQ==========================================================