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- _ -
    __iscsym
    __iscsymf
    _arc, _arc_w, _arc_wxy
    _atouni
    _beginthread
    _bfreeseg
    _bgetcmd
    _bheapseg
    _bios_disk
    _bios_equiplist
    _bios_keybrd
    _bios_memsize
    _bios_printer
    _bios_serialcom
    _bios_timeofday
    _bprintf, _bwprintf
    _chain_intr
    _clear87
    _clearscreen
    _cmdname
    _control87
    _controlfp
    _disable
    _displaycursor
    _dos_allocmem
    _dos_close
    _dos_commit
    _dos_creat
    _dos_creatnew
    _dos_find Functions
    _dos_freemem
    _dos_getdate
    _dos_getdiskfree
    _dos_getdrive
    _dos_getfileattr
    _dos_getftime
    _dos_gettime
    _dos_getvect
    _dos_keep
    _dos_open
    _dos_read
    _dos_setblock
    _dos_setdate
    _dos_setdrive
    _dos_setfileattr
    _dos_setftime
    _dos_settime
    _dos_setvect
    _dos_write
    _dwDeleteOnClose
    _dwSetAboutDlg
    _dwSetAppTitle
    _dwSetConTitle
    _dwShutDown
    _dwYield
    _ellipse, _ellipse_w, _ellipse_wxy
    _enable
    _endthread
    _exit
    _expand Functions
    _findclose
    _findfirst, _wfindfirst
    _findnext, _wfindnext
    _floodfill, _floodfill_w
    _fpreset
    _freect
    _fsopen, _wfsopen
    _fullpath, _wfullpath
    _get_osfhandle
    _getactivepage
    _getarcinfo
    _getbkcolor
    _getcliprgn
    _getcolor
    _getcurrentposition, _getcurrentposition_w
    _getdcwd, _wgetdcwd
    _getdiskfree
    _getdrive
    _getfillmask
    _getfontinfo
    _getgtextextent
    _getgtextvector
    _getimage, _getimage_w, _getimage_wxy
    _getlinestyle
    _getmbcp
    _getphyscoord
    _getpixel, _getpixel_w
    _getplotaction
    _gettextcolor
    _gettextcursor
    _gettextextent
    _gettextposition
    _gettextsettings
    _gettextwindow
    _getvideoconfig
    _getviewcoord, _getviewcoord_w, _getviewcoord_wxy
    _getvisualpage
    _getw
    _getwindowcoord
    _grow_handles
    _grstatus
    _grtext, _grtext_w
    _harderr, _hardresume, _hardretn
    _hdopen
    _heapchk Functions
    _heapenable
    _heapgrow Functions
    _heapmin Functions
    _heapset Functions
    _heapshrink Functions
    _heapwalk Functions
    _imagesize, _imagesize_w, _imagesize_wxy
    _ismbbalnum
    _ismbbalpha
    _ismbbgraph
    _ismbbkalnum
    _ismbbkalpha
    _ismbbkana
    _ismbbkprint
    _ismbbkpunct
    _ismbblead
    _ismbbprint
    _ismbbpunct
    _ismbbtrail
    _ismbcalnum
    _ismbcalpha
    _ismbccntrl
    _ismbcdigit
    _ismbcgraph
    _ismbchira
    _ismbckata
    _ismbcl0
    _ismbcl1
    _ismbcl2
    _ismbclegal
    _ismbclower
    _ismbcprint
    _ismbcpunct
    _ismbcspace
    _ismbcsymbol
    _ismbcupper
    _ismbcxdigit
    _lineto, _lineto_w
    _lrotl
    _lrotr
    _m_empty
    _m_from_int
    _m_packssdw
    _m_packsswb
    _m_packuswb
    _m_paddb
    _m_paddd
    _m_paddsb
    _m_paddsw
    _m_paddusb
    _m_paddusw
    _m_paddw
    _m_pand
    _m_pandn
    _m_pcmpeqb
    _m_pcmpeqd
    _m_pcmpeqw
    _m_pcmpgtb
    _m_pcmpgtd
    _m_pcmpgtw
    _m_pmaddwd
    _m_pmulhw
    _m_pmullw
    _m_por
    _m_pslld
    _m_pslldi
    _m_psllq
    _m_psllqi
    _m_psllw
    _m_psllwi
    _m_psrad
    _m_psradi
    _m_psraw
    _m_psrawi
    _m_psrld
    _m_psrldi
    _m_psrlq
    _m_psrlqi
    _m_psrlw
    _m_psrlwi
    _m_psubb
    _m_psubd
    _m_psubsb
    _m_psubsw
    _m_psubusb
    _m_psubusw
    _m_psubw
    _m_punpckhbw
    _m_punpckhdq
    _m_punpckhwd
    _m_punpcklbw
    _m_punpckldq
    _m_punpcklwd
    _m_pxor
    _m_to_int
    _makepath, _wmakepath
    _mbbtombc
    _mbbtype
    _mbccmp, _fmbccmp
    _mbccpy, _fmbccpy
    _mbcicmp, _fmbcicmp
    _mbcjistojms
    _mbcjmstojis
    _mbclen, _fmbclen
    _mbctohira
    _mbctokata
    _mbctolower
    _mbctombb
    _mbctoupper
    _mbgetcode, _fmbgetcode
    _mbputchar, _fmbputchar
    _mbsbtype, _fmbsbtype
    _mbsnbcat, _fmbsnbcat
    _mbsnbcmp, _fmbsnbcmp
    _mbsnbcnt, _fmbsnbcnt, _strncnt, _wcsncnt
    _mbsnbcpy, _fmbsnbcpy
    _mbsnbicmp, _fmbsnbicmp
    _mbsnbset, _fmbsnbset
    _mbsnccnt, _fmbsnccnt, _strncnt, _wcsncnt
    _mbsnextc, _fmbsnextc, _strnextc, _wcsnextc
    _mbterm, _fmbterm
    _mbvtop, _fmbvtop
    _memavl
    _memmax
    _mktemp, _wmktemp
    _moveto, _moveto_w
    _msize Functions
    _open_osfhandle
    _os_handle
    _outgtext
    _outmem
    _outtext
    _pclose
    _pg_analyzechart, _pg_analyzechartms
    _pg_analyzepie
    _pg_analyzescatter, _pg_analyzescatterms
    _pg_chart, _pg_chartms
    _pg_chartpie
    _pg_chartscatter, _pg_chartscatterms
    _pg_defaultchart
    _pg_getchardef
    _pg_getpalette
    _pg_getstyleset
    _pg_hlabelchart
    _pg_initchart
    _pg_resetpalette
    _pg_resetstyleset
    _pg_setchardef
    _pg_setpalette
    _pg_setstyleset
    _pg_vlabelchart
    _pie, _pie_w, _pie_wxy
    _pipe
    _polygon, _polygon_w, _polygon_wxy
    _popen, _wpopen
    _putimage, _putimage_w
    _putw
    _rectangle, _rectangle_w, _rectangle_wxy
    _registerfonts
    _remapallpalette
    _remappalette
    _rotl
    _rotr
    _scrolltextwindow
    _searchenv, _wsearchenv
    _selectpalette
    _set_matherr
    _setactivepage
    _setbkcolor
    _setcharsize, _setcharsize_w
    _setcharspacing, _setcharspacing_w
    _setcliprgn
    _setcolor
    _setfillmask
    _setfont
    _setgtextvector
    _setlinestyle
    _setmbcp
    _setpixel, _setpixel_w
    _setplotaction
    _settextalign
    _settextcolor
    _settextcursor
    _settextorient
    _settextpath
    _settextposition
    _settextrows
    _settextwindow
    _setvideomode
    _setvideomoderows
    _setvieworg
    _setviewport
    _setvisualpage
    _setwindow
    _snprintf, _snwprintf
    _splitpath, _wsplitpath
    _splitpath2, _wsplitpath2
    _status87
    _strdate, _wstrdate
    _strdec, _wcsdec, _mbsdec, _fmbsdec
    _stricoll, _wcsicoll, _mbsicoll
    _strinc, _wcsinc, _mbsinc, _fmbsinc
    _strncoll, _wcsncoll, _mbsncoll
    _strnicoll, _wcsnicoll, _mbsnicoll
    _strninc, _wcsninc, _mbsninc, _fmbsninc
    _strtime, _wstrtime
    _tempnam, _wtempnam
    _unregisterfonts
    _vbprintf, _vbwprintf
    _vsnprintf, _vsnwprintf
    _wrapon

- A -
    abort
    The abort Function
    abs
    access, _access, _waccess
    acos
    acosh
    alloca
    Allocating Zero Memory
    Analyze Functions
    asctime Functions
    asin
    asinh
    assert
    atan
    atan2
    atanh
    atexit
    The atexit Function
    atof, _wtof
    atoi, _wtoi
    atol, _wtol
    Attribute Functions

- B -
    bcmp
    bcopy
    bdos
    bessel Functions
    BIOS Functions
    break Functions
    bsearch
    bzero

- C -
    C Library Overview
    cabs
    calloc Functions
    ceil
    cgets
    Character Manipulation Functions
    Character Testing
    chdir, _wchdir
    chmod, _wchmod
    chsize
    Classes of Functions
    Classes of Graphics Functions
    clearenv
    clearerr
    clock
    The clock Function
    close, _close
    closedir, _wclosedir
    Console I/O Functions
    Conversion Functions
    Coordinate System Functions
    cos
    cosh
    cprintf
    cputs
    creat, _wcreat
    cscanf
    ctime Functions
    cwait

- D -
    Default Signals
    Default Windowing Functions
    delay
    Deleting Open Files
    Diagnostic Printed by the assert Function
    difftime
    Directory Functions
    Display Functions
    div
    Domain Errors
    DOS Commands
    DOS Considerations
    DOS Devices
    DOS Directories
    DOS File Names
    DOS Files
    DOS Interrupts
    DOS Processes
    DOS-Specific Functions
    dosexterr
    Drawing Functions
    dup, _dup
    dup2

- E -
    ecvt, _ecvt
    Environment Functions
    Environment Names
    eof
    exec Functions
    exit
    exp

- F -
    fabs
    fclose
    fcloseall
    fcvt, _fcvt, _wfcvt
    fdopen, _wfdopen
    feof
    ferror
    fflush
    fgetc, fgetwc
    fgetchar, _fgetchar, _fgetwchar
    fgetpos
    fgets, fgetws
    File Access Limits
    File Buffering
    File Manipulation Functions
    File Names
    File Position Errors
    File Position in Append Mode
    filelength
    fileno
    floor
    flushall
    fmod
    The fmod Function
    Font Manipulation Functions
    fopen, _wfopen
    FP_OFF
    FP_SEG
    fprintf, fwprintf
    fputc, fputwc
    fputchar, _fputchar, _fputwchar
    fputs, fputws
    fread
    free Functions
    freopen, _wfreopen
    frexp
    fscanf, fwscanf
    fseek
    fsetpos
    fstat, _fstat
    fsync
    ftell
    ftime
    fwrite

- G -
    gcvt, _gcvt, _wgcvt
    getc, getwc
    getch
    getchar, getwchar
    getche
    getcmd
    getcwd, _wgetcwd
    getenv, _wgetenv
    getpid
    gets, _getws
    Global Data
    gmtime Functions
    Graphics Adapters
    Graphics Functions
    Graphics Header Files
    Graphics Library
    Graphics Text Functions

- H -
    halloc
    Header Files
    Header Files in /watcom/h
    Header Files in /watcom/h/sys
    Heap Functions
    hfree
    hypot

- I -
    Image Manipulation Functions
    Implementation-Defined Behavior of the C Library
    Index of Topics
    inp
    inpd
    inpw
    int386
    int386x
    int86
    int86x
    intdos
    intdosx
    Intel 80x86 Architecture-Specific Functions
    Intel Pentium Multimedia Extension Functions
    intr
    isalnum, iswalnum
    isalpha, iswalpha
    isascii, __isascii, iswascii
    isatty
    iscntrl, iswcntrl
    isdigit, iswdigit
    isgraph, iswgraph
    isleadbyte
    islower, iswlower
    isprint, iswprint
    ispunct, iswpunct
    isspace, iswspace
    isupper, iswupper