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Multibyte Character Functions, _fmbsupr

Multibyte Character Functions, _fmbtowc

Multibyte Character Functions, _fwcrtomb

Multibyte Character Functions, _fwcsrtombs

Multibyte Character Functions, _fwcstombs

Multibyte Character Functions, _fwctomb

Multibyte Character Functions, _mbccmp

Multibyte Character Functions, _mbccpy

Multibyte Character Functions, _mbcicmp

Multibyte Character Functions, _mbclen

Multibyte Character Functions, _mbscat

Multibyte Character Functions, _mbschr

Multibyte Character Functions, _mbscmp

Multibyte Character Functions, _mbscoll

Multibyte Character Functions, _mbscpy

Multibyte Character Functions, _mbscspn

Multibyte Character Functions, _mbsdec

Multibyte Character Functions, _mbsdup

Multibyte Character Functions, _mbsicmp

Multibyte Character Functions, _mbsicoll

Multibyte Character Functions, _mbsinc

Multibyte Character Functions, _mbslen

Multibyte Character Functions, _mbslwr

Multibyte Character Functions, _mbsnbcnt

Multibyte Character Functions, _mbsncat

Multibyte Character Functions, _mbsnccnt

Multibyte Character Functions, _mbsncmp

Multibyte Character Functions, _mbsncoll

Multibyte Character Functions, _mbsncpy

Multibyte Character Functions, _mbsnextc

Multibyte Character Functions, _mbsnicmp

Multibyte Character Functions, _mbsnicoll

Multibyte Character Functions, _mbsninc

Multibyte Character Functions, _mbsnset

Multibyte Character Functions, _mbsrchr

Multibyte Character Functions, _mbsrev

Multibyte Character Functions, _mbsset

Multibyte Character Functions, _mbsspn

Multibyte Character Functions, _mbsspnp

Multibyte Character Functions, _mbsstr

Multibyte Character Functions, _mbsupr

Multibyte Character Functions, _mbterm

Multibyte Character Functions, _mbvtop

Multibyte Character Functions, mblen

Multibyte Character Functions, mbsrtowcs

Multibyte Character Functions, mbstowcs

Multibyte Character Functions, mbtowc

Multibyte Character Functions, sisinit

Multibyte Character Functions, wcrtomb

Multibyte Character Functions, wcsrtombs

Multibyte Character Functions, wcstombs

Multibyte Character Functions, wctob

Multibyte Character Functions, wctomb

Multibyte Character Manipulation Functions

Multibyte String Manipulation Functions

Multimedia Extension

Multimedia Extension functions

n_sign_posn

nCmdShow

NDEBUG

new

nExitCode

NODISPLAY

Non-local jumps

Non-local jumps, longjmp

Non-local Jumps, setjmp

NORMAL

nosound
    nosound
    sound

nthctype

NULL
    _beginthread
    _strninc, _wcsninc, _mbsninc, _fmbsninc
    Allocating Zero Memory
    NULL Macro

Null Characters

NULL Macro

O_APPEND
    _open_osfhandle
    open, _open, _wopen
    sopen, _wsopen
    write

O_BINARY
    _open_osfhandle
    Global Data
    open, _open, _wopen
    read
    setmode
    sopen, _wsopen
    write

O_CREAT
    _open_osfhandle
    open, _open, _wopen
    sopen, _wsopen

O_EXCL
    _open_osfhandle
    open, _open, _wopen
    sopen, _wsopen

O_NOINHERIT
    _dos_open
    _open_osfhandle
    open, _open, _wopen
    sopen, _wsopen

O_NONBLOCK

O_RDONLY
    _dos_open
    _open_osfhandle
    open, _open, _wopen
    read
    sopen, _wsopen

O_RDWR
    _dos_open
    _open_osfhandle
    open, _open, _wopen
    read
    sopen, _wsopen
    write

O_TEXT
    _open_osfhandle
    Global Data
    open, _open, _wopen
    read
    setmode
    sopen, _wsopen
    write

O_TRUNC
    _open_osfhandle
    open, _open, _wopen
    sopen, _wsopen

O_WRONLY
    _dos_open
    _open_osfhandle
    open, _open, _wopen
    sopen, _wsopen
    write

offsetof
    Header Files in /watcom/h
    offsetof

onexit
    _exit
    onexit

open
    close, _close
    fdopen, _wfdopen
    fileno
    Global Data
    Header Files in /watcom/h
    lseek, _lseek
    open, _open, _wopen
    read
    tell
    umask
    write

open, _open, _wopen

open_osfhandle

opendir
    closedir, _wclosedir
    opendir, _wopendir
    readdir, _wreaddir
    rewinddir, _wrewinddir

opendir, _wopendir

Operating System I/O Functions

OS/2 classification

OS/2 Functions, _beginthread

OS/2 Functions, _endthread

OS/2 Functions, cwait

OS/2 Functions, wait

os_handle

outp

outpd

outpw

OVERFLOW
    _set_matherr
    matherr

P_NOWAIT
    Header Files in /watcom/h
    spawn Functions

P_NOWAITO
    Header Files in /watcom/h
    spawn Functions

P_OVERLAY
    Header Files in /watcom/h
    Process Primitive Functions
    spawn Functions

p_sign_posn

P_WAIT
    DOS Processes
    Header Files in /watcom/h
    Process Primitive Functions
    spawn Functions

path
    clearenv
    DOS Directories
    exec Functions
    spawn Functions

PATH_DOWN

PATH_LEFT

PATH_MAX
    _getdcwd, _wgetdcwd
    getcwd, _wgetcwd

PATH_RIGHT

PATH_UP

PC Graphics classification

pclose
    _pclose
    _popen, _wpopen

perror
    Global Data
    Messages Generated by the perror Function
    perror, _wperror

perror, _wperror

PFU

PFV

PG_BARCHART

PG_COLUMNCHART

PG_LINECHART

PG_NOPERCENT

PG_PERCENT

PG_PIECHART

PG_PLAINBARS

PG_POINTANDLINE

PG_POINTONLY

PG_SCATTERCHART

PG_STACKEDBARS

PharLap TNT Functions, _beginthread

PharLap TNT Functions, _beginthreadex

physical coordinates

pie

pipe

PLOSS
    _set_matherr
    matherr

polygon

popen

Port I/O
    Console I/O Functions
    Header Files in /watcom/h

Port I/O, inp

Port I/O, inpd

Port I/O, inpw

Port I/O, outp

Port I/O, outpd

Port I/O, outpw

port, hardware
    inp
    inpd
    inpw
    outp
    outpd
    outpw

positive_sign

POSIX 1003.1 classification

POSIX classification

PostQuitMessage

pow

pow(0.0,0.0)

pow(0.0,neg)

pow(neg,frac)

Presentation Graphics Functions

Prime Meridian

print

printf
    _bprintf, _bwprintf
    _snprintf, _snwprintf
    _vbprintf, _vbwprintf
    _vsnprintf, _vsnwprintf
    cprintf
    fprintf, fwprintf
    Global Data
    printf, wprintf
    sprintf, swprintf
    vcprintf
    vfprintf, vfwprintf
    vprintf, vwprintf
    vsprintf, vswprintf

printf, wprintf

Printing Pointer Values

PRN

Process Environment

Process Functions
    DOS Processes
    Header Files in /watcom/h
    Process Environment
    Process Primitive Functions

Process Functions, _bgetcmd

Process Functions, _exit

Process Functions, _putenv

Process Functions, _setenv

Process Functions, _wexecl

Process Functions, _wexecle

Process Functions, _wexeclp

Process Functions, _wexeclpe

Process Functions, _wexecv

Process Functions, _wexecve

Process Functions, _wexecvp

Process Functions, _wexecvpe

Process Functions, _wgetenv

Process Functions, _wputenv

Process Functions, _wsetenv

Process Functions, _wspawnl

Process Functions, _wspawnle

Process Functions, _wspawnlp

Process Functions, _wspawnlpe

Process Functions, _wspawnv

Process Functions, _wspawnve

Process Functions, _wspawnvp

Process Functions, _wspawnvpe

Process Functions, _wsystem

Process Functions, abort

Process Functions, atexit

Process Functions, clearenv

Process Functions, execl

Process Functions, execle

Process Functions, execlp

Process Functions, execlpe

Process Functions, execv

Process Functions, execve

Process Functions, execvp

Process Functions, execvpe

Process Functions, getcmd

Process Functions, getenv

Process Functions, main

Process Functions, onexit

Process Functions, putenv

Process Functions, setenv

Process Functions, spawnl

Process Functions, spawnle

Process Functions, spawnlp

Process Functions, spawnlpe

Process Functions, spawnv

Process Functions, spawnve

Process Functions, spawnvp

Process Functions, spawnvpe

Process Functions, system

Process Primitive Functions

process.h

Program Segment Prefix

PSP

ptrdiff_t

punct

putc

putc, putwc

putch
    cprintf
    cputs
    putch
    vcprintf

putchar
    fputchar, _fputchar, _fputwchar
    putchar, putwchar

putchar, putwchar

putenv
    Environment Names
    exec Functions
    getenv, _wgetenv
    putenv, _putenv, _wputenv
    setenv, _setenv, _wsetenv
    spawn Functions
    The TZ Environment Variable

putenv, _putenv, _wputenv

puts
    cputs
    puts, _putws

puts, _putws

putw

putwc

putwchar

putws

qsort

quot
    div
    ldiv

R_OK

raise
    Header Files in /watcom/h
    longjmp
    raise
    signal

rand
    rand
    srand

RAND_MAX

Random Numbers, rand

Random Numbers, srand

Re-entrant Functions

read

readdir
    opendir, _wopendir
    readdir, _wreaddir

readdir, _wreaddir

Reading Pointer Values

Reading Ranges

realloc
    _msize Functions
    Allocating Zero Memory
    free Functions
    Memory Allocation Functions
    realloc Functions

realloc Functions

rectangle

REGPACK

REGS

rem
    div
    ldiv

remove
    Deleting Open Files
    remove, _wremove
    unlink, _wunlink

remove, _wremove

rename
    rename, _wrename
    Renaming with a Name that Exists

rename, _wrename

Renaming with a Name that Exists

ResumeThread

return

rewind
    _fsopen, _wfsopen
    clearerr
    fopen, _wfopen
    rewind
    ungetc, ungetwc

rewinddir

rewinddir, _wrewinddir

RIGHT

rmdir

rmdir, _wrmdir

Rotate Functions, _lrotl

Rotate Functions, _lrotr

Rotate Functions, _rotl

Rotate Functions, _rotr

rotl

rotr

S_IEXEC
    chmod, _wchmod
    creat, _wcreat