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    Coordinate System Functions

_setviewport
    _getcliprgn
    _getcurrentposition, _getcurrentposition_w
    _getphyscoord
    _getviewcoord, _getviewcoord_w, _getviewcoord_wxy
    _setviewport
    _setwindow

_setvisualpage

_setwindow
    _getviewcoord, _getviewcoord_w, _getviewcoord_wxy
    _getwindowcoord
    _setwindow
    Coordinate System Functions

_snprintf
    _snprintf, _snwprintf
    _vsnprintf, _vsnwprintf

_snprintf, _snwprintf

_snwprintf

_splitpath

_splitpath, _wsplitpath

_splitpath2

_splitpath2, _wsplitpath2

_stacksize

_stat

_status87

_strdate

_strdate, _wstrdate

_strdec

_strdec, _wcsdec, _mbsdec, _fmbsdec

_strdup
    putenv, _putenv, _wputenv
    strdup, _strdup, _fstrdup, _wcsdup, _mbsdup, _fmbsdup

_stricmp

_stricoll

_stricoll, _wcsicoll, _mbsicoll

_strinc

_strinc, _wcsinc, _mbsinc, _fmbsinc

_strlwr

_strncnt
    _mbsnbcnt, _fmbsnbcnt, _strncnt, _wcsncnt
    _mbsnccnt, _fmbsnccnt, _strncnt, _wcsncnt

_strncoll

_strncoll, _wcsncoll, _mbsncoll

_strnextc

_strnicmp

_strnicoll

_strnicoll, _wcsnicoll, _mbsnicoll

_strninc

_strninc, _wcsninc, _mbsninc, _fmbsninc

_strnset

_strrev

_strset

_strspnp

_strtime

_strtime, _wstrtime

_strupr

_tcsnbcnt

_tcsnccnt

_tcsnextc

_tcsninc

_tempnam

_tempnam, _wtempnam

_threadid
    _beginthread
    Global Data

_TIME_GETCLOCK

_TIME_SETCLOCK

_tolower

_toupper

_ultoa

_ultow

_UNICODE
    _mbsnbcnt, _fmbsnbcnt, _strncnt, _wcsncnt
    _mbsnccnt, _fmbsnccnt, _strncnt, _wcsncnt
    _mbsnextc, _fmbsnextc, _strnextc, _wcsnextc
    _strninc, _wcsninc, _mbsninc, _fmbsninc

_unregisterfonts

_utime

_utoa

_utow

_vbprintf

_vbprintf, _vbwprintf

_vbwprintf

_vsnprintf

_vsnprintf, _vsnwprintf

_vsnwprintf

_waccess

_wasctime

_wchdir

_wchmod

_wclosedir
    closedir, _wclosedir
    opendir, _wopendir

_wcreat

_wcsdec

_wcsdup

_wcsicmp

_wcsicoll

_wcsinc

_wcslwr
    Conversion Functions
    strlwr, _strlwr, _fstrlwr, _wcslwr, _mbslwr, _fmbslwr

_wcsncnt
    _mbsnbcnt, _fmbsnbcnt, _strncnt, _wcsncnt
    _mbsnccnt, _fmbsnccnt, _strncnt, _wcsncnt

_wcsncoll

_wcsnextc

_wcsnicmp

_wcsnicoll

_wcsninc

_wcsnset

_wcsrev

_wcsset

_wcsspnp

_wcsupr
    Conversion Functions
    strupr, _strupr, _fstrupr, _wcsupr, _mbsupr, _fmbsupr

_wctime

_wdirent
    opendir, _wopendir
    readdir, _wreaddir

_wdos_findclose

_wdos_findfirst

_wdos_findnext

_wenviron

_wexecl

_wexecle

_wexeclp

_wexeclpe

_wexecv

_wexecve

_wexecvp

_wexecvpe

_wfcvt

_wfdopen

_wfindfirst

_wfindnext

_wfopen

_wfreopen

_wfsopen

_wfullpath

_wgcvt

_wgetcwd

_wgetdcwd

_wgetenv

_winmajor

_winminor

_winver

_wmakepath

_wmkdir

_wmktemp

_wopen

_wopendir
    closedir, _wclosedir
    opendir, _wopendir
    rewinddir, _wrewinddir

_wP_tmpdir

_wperror

_wpopen

_wputenv

_wrapon

_wreaddir
    opendir, _wopendir
    readdir, _wreaddir

_wremove

_wrename

_wrewinddir

_wrmdir

_wsearchenv

_wsetenv

_wsetlocale

_wsopen

_wspawnl

_wspawnle

_wspawnlp

_wspawnlpe

_wspawnv

_wspawnve

_wspawnvp

_wspawnvpe

_wsplitpath

_wsplitpath2

_wstat

_wstrdate

_wstrftime_ms

_wstrtime

_wsystem

_wtempnam

_wtmpnam

_wtof

_wtoi

_wtol

_wunlink

_wutime

abort
    abort
    Diagnostic Printed by the assert Function
    signal
    The abort Function

abs

access

access, _access, _waccess

acos
    acos
    Domain Errors

acosh
    acosh
    Domain Errors

actime

alloca

Allocating Zero Memory

alnum

alpha

ANALOGCOLOR

ANALOGMONO

Analyze Functions

ANSI classification

arc

asctime
    asctime Functions
    ctime Functions

asctime Functions

asin
    asin
    Domain Errors

asinh

assert
    assert
    Diagnostic Printed by the assert Function
    Header Files in /watcom/h

assert.h

atan

atan2
    atan2
    Domain Errors

atanh
    atanh
    Domain Errors

atexit
    _exit
    atexit
    exit
    onexit

atof

atof, _wtof

atoi

atoi, _wtoi

atol

atol, _wtol

atouni

Attribute Functions

BASE

bcmp

bcopy

bdos
    bdos
    DOS Interrupts

beginthread

bessel

bessel Functions

bfreeseg

bgetcmd

bheapseg

binary files

BINMODE.OBJ
    fopen, _wfopen
    Global Data

BIOS classification

BIOS Functions

BIOS Functions, _bios_disk

BIOS Functions, _bios_equiplist

BIOS Functions, _bios_keybrd

BIOS Functions, _bios_memsize

BIOS Functions, _bios_printer

BIOS Functions, _bios_serialcom

BIOS Functions, _bios_timeofday

BIOS, Functions

bios.h

bios_disk

bios_equiplist

bios_keybrd

bios_memsize

bios_printer

bios_serialcom

bios_timeofday

BOTTOM

bprintf

break
    break Functions
    signal

break Functions

break_off

break_on

bsearch

btom

BUFSIZ

bwprintf

bzero

C Library Overview

cabs

calloc
    _msize Functions
    Allocating Zero Memory
    calloc Functions
    free Functions
    Memory Allocation Functions

calloc Functions

CAP

ceil

CENTER

CGA
    _getvideoconfig
    _setvideomode

cgets

chain_intr

CHAR_MAX

Character Manipulation Functions
    Character Manipulation Functions
    Multibyte Character Manipulation Functions
    Wide Character Manipulation Functions

Character Manipulation Functions, __iscsym

Character Manipulation Functions, __iscsymf

Character Manipulation Functions, _mbctohira

Character Manipulation Functions, _mbctokata

Character Manipulation Functions, _mbctolower

Character Manipulation Functions, _mbctoupper

Character Manipulation Functions, _tolower

Character Manipulation Functions, _toupper

Character Manipulation Functions, isalnum

Character Manipulation Functions, isalpha

Character Manipulation Functions, isascii

Character Manipulation Functions, iscntrl

Character Manipulation Functions, isdigit

Character Manipulation Functions, isgraph

Character Manipulation Functions, isleadbyte

Character Manipulation Functions, islower

Character Manipulation Functions, isprint

Character Manipulation Functions, ispunct

Character Manipulation Functions, isspace

Character Manipulation Functions, isupper

Character Manipulation Functions, iswalnum

Character Manipulation Functions, iswalpha

Character Manipulation Functions, iswascii

Character Manipulation Functions, iswcntrl

Character Manipulation Functions, iswdigit

Character Manipulation Functions, iswgraph

Character Manipulation Functions, iswlower

Character Manipulation Functions, iswprint

Character Manipulation Functions, iswpunct

Character Manipulation Functions, iswspace

Character Manipulation Functions, iswupper

Character Manipulation Functions, iswxdigit

Character Manipulation Functions, isxdigit

Character Manipulation Functions, tolower

Character Manipulation Functions, toupper

Character Manipulation Functions, towlower

Character Manipulation Functions, towupper

Character Testing

chdir

chdir, _wchdir

chkctype

chmod

chmod, _wchmod

chsize
    chsize
    lseek, _lseek
    write

Classes of Functions

Classes of Graphics Functions

clear87

clearenv

clearerr

clock
    clock
    The clock Function

CLOCKS_PER_SEC

close
    _get_osfhandle
    _open_osfhandle
    close, _close

close, _close

closedir
    closedir, _wclosedir
    opendir, _wopendir
    readdir, _wreaddir

closedir, _wclosedir

cmdname

cntrl

COLOR

COMMODE.OBJ

Comparison Functions, _fmbscmp

Comparison Functions, _fmbsicmp

Comparison Functions, _fmbsncmp

Comparison Functions, _fmbsnicmp

Comparison Functions, _fmemcmp

Comparison Functions, _fmemicmp

Comparison Functions, _fstrcmp

Comparison Functions, _fstricmp

Comparison Functions, _fstrncmp

Comparison Functions, _fstrnicmp

Comparison Functions, _mbscmp

Comparison Functions, _mbscoll

Comparison Functions, _mbsicmp

Comparison Functions, _mbsicoll

Comparison Functions, _mbsnbcmp

Comparison Functions, _mbsnbicmp

Comparison Functions, _mbsncmp

Comparison Functions, _mbsncoll

Comparison Functions, _mbsnicmp

Comparison Functions, _mbsnicoll

Comparison Functions, _memicmp

Comparison Functions, _stricmp

Comparison Functions, _stricoll

Comparison Functions, _strncoll

Comparison Functions, _strnicmp

Comparison Functions, _strnicoll

Comparison Functions, _wcsicmp

Comparison Functions, _wcsicoll

Comparison Functions, _wcsncoll

Comparison Functions, _wcsnicmp

Comparison Functions, _wcsnicoll

Comparison Functions, bcmp

Comparison Functions, memcmp

Comparison Functions, memicmp

Comparison Functions, strcmp

Comparison Functions, strcmpi

Comparison Functions, strcoll

Comparison Functions, stricmp

Comparison Functions, strncmp

Comparison Functions, strnicmp

Comparison Functions, strxfrm

Comparison Functions, wcscmp

Comparison Functions, wcscmpi

Comparison Functions, wcscoll

Comparison Functions, wcsncmp

complex

COMSPEC
    clearenv
    system, _wsystem
    The system Function

CON

Concatenation Functions, _fmbscat

Concatenation Functions, _fmbsncat

Concatenation Functions, _fstrcat

Concatenation Functions, _fstrncat

Concatenation Functions, _mbscat

Concatenation Functions, _mbsnbcat

Concatenation Functions, _mbsncat

Concatenation Functions, strcat

Concatenation Functions, strncat

Concatenation Functions, wcscat

Concatenation Functions, wcsncat