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    C Library Overview
        Classes of Functions
            Character Manipulation Functions
            Wide Character Manipulation Functions
            Multibyte Character Manipulation Functions
            Memory Manipulation Functions
            String Manipulation Functions
            Wide String Manipulation Functions
            Multibyte String Manipulation Functions
            Conversion Functions
            Memory Allocation Functions
            Heap Functions
            Math Functions
            Searching Functions
            Time Functions
            Variable-length Argument Lists
            Stream I/O Functions
            Wide Character Stream I/O Functions
            Process Primitive Functions
            Process Environment
            Directory Functions
            Operating System I/O Functions
            File Manipulation Functions
            Console I/O Functions
            Default Windowing Functions
            BIOS Functions
            DOS-Specific Functions
            Intel 80x86 Architecture-Specific Functions
            Intel Pentium Multimedia Extension Functions
            Miscellaneous Functions
        Header Files
            Header Files in /watcom/h
            Header Files in /watcom/h/sys
        Global Data
        The TZ Environment Variable

    Graphics Library
        Graphics Functions
        Graphics Adapters
        Classes of Graphics Functions
            Environment Functions
            Coordinate System Functions
            Attribute Functions
            Drawing Functions
            Text Functions
            Graphics Text Functions
            Image Manipulation Functions
            Font Manipulation Functions
            Presentation Graphics Functions
                Display Functions
                Analyze Functions
                Utility Functions
        Graphics Header Files

    DOS Considerations
        DOS Devices
        DOS Directories
        DOS File Names
        DOS Files
        DOS Commands
        DOS Interrupts
        DOS Processes

    Library Functions and Macros
        abort
        abs
        access, _access, _waccess
        acos
        acosh
        alloca
        _arc, _arc_w, _arc_wxy
        asctime Functions
        asin
        asinh
        assert
        atan
        atan2
        atanh
        atexit
        atof, _wtof
        atoi, _wtoi
        atol, _wtol
        _atouni
        bdos
        _beginthread
        bessel Functions
        bcmp
        bcopy
        _bfreeseg
        _bgetcmd
        _bheapseg
        _bios_disk
        _bios_equiplist
        _bios_keybrd
        _bios_memsize
        _bios_printer
        _bios_serialcom
        _bios_timeofday
        _bprintf, _bwprintf
        break Functions
        bsearch
        bzero
        cabs
        calloc Functions
        ceil
        cgets
        _chain_intr
        chdir, _wchdir
        chmod, _wchmod
        chsize
        _clear87
        clearenv
        clearerr
        _clearscreen
        clock
        close, _close
        closedir, _wclosedir
        _cmdname
        _control87
        _controlfp
        cos
        cosh
        cprintf
        cputs
        creat, _wcreat
        cscanf
        ctime Functions
        cwait
        delay
        difftime
        _disable
        _displaycursor
        div
        _dos_allocmem
        _dos_close
        _dos_commit
        _dos_creat
        _dos_creatnew
        dosexterr
        _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
        dup, _dup
        dup2
        _dwDeleteOnClose
        _dwSetAboutDlg
        _dwSetAppTitle
        _dwSetConTitle
        _dwShutDown
        _dwYield
        ecvt, _ecvt
        _ellipse, _ellipse_w, _ellipse_wxy
        _enable
        _endthread
        eof
        exec Functions
        _exit
        exit
        exp
        _expand Functions
        fabs
        fclose
        fcloseall
        fcvt, _fcvt, _wfcvt
        fdopen, _wfdopen
        feof
        ferror
        fflush
        fgetc, fgetwc
        fgetchar, _fgetchar, _fgetwchar
        fgetpos
        fgets, fgetws
        filelength
        fileno
        _findclose
        _findfirst, _wfindfirst
        _findnext, _wfindnext
        _floodfill, _floodfill_w
        floor
        flushall
        fmod
        fopen, _wfopen
        FP_OFF
        FP_SEG
        _fpreset
        fprintf, fwprintf
        fputc, fputwc
        fputchar, _fputchar, _fputwchar
        fputs, fputws
        fread
        free Functions
        _freect
        freopen, _wfreopen
        frexp
        fscanf, fwscanf
        fseek
        fsetpos
        _fsopen, _wfsopen
        fstat, _fstat
        fsync
        ftell
        ftime
        _fullpath, _wfullpath
        fwrite
        gcvt, _gcvt, _wgcvt
        _getactivepage
        _getarcinfo
        _getbkcolor
        getc, getwc
        getch
        getchar, getwchar
        getche
        _getcliprgn
        getcmd
        _getcolor
        _getcurrentposition, _getcurrentposition_w
        getcwd, _wgetcwd
        _getdcwd, _wgetdcwd
        _getdiskfree
        _getdrive
        getenv, _wgetenv
        _getfillmask
        _getfontinfo
        _getgtextextent
        _getgtextvector
        _getimage, _getimage_w, _getimage_wxy
        _getlinestyle
        _getmbcp
        _get_osfhandle
        _getphyscoord
        getpid
        _getpixel, _getpixel_w
        _getplotaction
        gets, _getws
        _gettextcolor
        _gettextcursor
        _gettextextent
        _gettextposition
        _gettextsettings
        _gettextwindow
        _getvideoconfig
        _getviewcoord, _getviewcoord_w, _getviewcoord_wxy
        _getvisualpage
        _getw
        _getwindowcoord
        gmtime Functions
        _grow_handles
        _grstatus
        _grtext, _grtext_w
        halloc
        _harderr, _hardresume, _hardretn
        _hdopen
        _heapchk Functions
        _heapenable
        _heapgrow Functions
        _heapmin Functions
        _heapset Functions
        _heapshrink Functions
        _heapwalk Functions
        hfree
        hypot
        _imagesize, _imagesize_w, _imagesize_wxy
        inp
        inpd
        inpw
        int386
        int386x
        int86
        int86x
        intdos
        intdosx
        intr
        isalnum, iswalnum
        isalpha, iswalpha
        isascii, __isascii, iswascii
        isatty
        iscntrl, iswcntrl
        __iscsym
        __iscsymf
        isdigit, iswdigit
        isgraph, iswgraph
        isleadbyte
        islower, iswlower
        _ismbbalnum
        _ismbbalpha
        _ismbbgraph
        _ismbbkalnum
        _ismbbkana
        _ismbbkalpha
        _ismbbkprint
        _ismbbkpunct
        _ismbblead
        _ismbbprint
        _ismbbpunct
        _ismbbtrail
        _ismbcalnum
        _ismbcalpha
        _ismbccntrl
        _ismbcdigit
        _ismbcgraph
        _ismbchira
        _ismbckata
        _ismbcl0
        _ismbcl1
        _ismbcl2
        _ismbclegal
        _ismbclower
        _ismbcprint
        _ismbcpunct
        _ismbcspace
        _ismbcsymbol
        _ismbcupper
        _ismbcxdigit
        isprint, iswprint
        ispunct, iswpunct
        isspace, iswspace
        isupper, iswupper
        isxdigit, iswxdigit
        iswctype
        itoa, _itoa, _itow
        kbhit
        labs
        ldexp
        ldiv
        lfind
        _lineto, _lineto_w
        localeconv
        localtime Functions
        lock
        locking, _locking
        log
        log10
        log2
        longjmp
        _lrotl
        _lrotr
        lsearch
        lseek, _lseek
        ltoa, _ltoa, _ltow
        main, wmain, WinMain, wWinMain
        _makepath, _wmakepath
        malloc Functions
        matherr
        max
        _mbbtombc
        _mbbtype
        _mbccmp, _fmbccmp
        _mbccpy, _fmbccpy
        _mbcicmp, _fmbcicmp
        _mbcjistojms
        _mbcjmstojis
        _mbclen, _fmbclen
        _mbctolower
        _mbctoupper
        _mbctohira
        _mbctokata
        _mbctombb
        _mbgetcode, _fmbgetcode
        mblen, _fmblen
        _mbputchar, _fmbputchar
        mbrlen, _fmbrlen
        mbrtowc, _fmbrtowc
        _mbsbtype, _fmbsbtype
        _mbsnbcat, _fmbsnbcat
        _mbsnbcmp, _fmbsnbcmp
        _mbsnbcnt, _fmbsnbcnt, _strncnt, _wcsncnt
        _mbsnbcpy, _fmbsnbcpy
        _mbsnbicmp, _fmbsnbicmp
        _mbsnbset, _fmbsnbset
        _mbsnccnt, _fmbsnccnt, _strncnt, _wcsncnt
        _mbsnextc, _fmbsnextc, _strnextc, _wcsnextc
        mbsrtowcs, _fmbsrtowcs
        mbstowcs, _fmbstowcs
        _mbterm, _fmbterm
        mbtowc, _fmbtowc
        _mbvtop, _fmbvtop
        _memavl
        memccpy, _fmemccpy
        memchr, _fmemchr
        memcmp, _fmemcmp
        memcpy, _fmemcpy
        memicmp, _memicmp, _fmemicmp
        _memmax
        memmove, _fmemmove
        _m_empty
        memset, _fmemset
        _m_from_int
        min
        mkdir, _mkdir, _wmkdir
        MK_FP
        _mktemp, _wmktemp
        mktime
        modf
        movedata
        _moveto, _moveto_w
        _m_packssdw
        _m_packsswb
        _m_packuswb