man pages section 3: Basic Library Functions
    
C
 
 C Compilation
  close a shared object -- dlclose ( Index Term Link )
  create new file from dynamic object component -- dldump ( Index Term Link )
  get address of symbol in shared object or executable -- dlsym ( Index Term Link )
  get diagnostic information -- dlerror ( Index Term Link )
  open a shared object -- dlopen ( Index Term Link )
 
 catclose -- close a message catalog ( Index Term Link )
 
 catgets -- read a program message ( Index Term Link )
 
 catopen -- open a message catalog ( Index Term Link )
 
 cfgetispeed -- get input baud rate ( Index Term Link )
 
 cfgetospeed -- get output baud rate ( Index Term Link )
 
 cfsetispeed -- set input baud rate ( Index Term Link )
 
 cfsetospeed -- set output baud rate ( Index Term Link )
 
 cftime -- convert date and time to string ( Index Term Link )
 
 character handling
  -- ctype ( Index Term Link )
  -- isalnum ( Index Term Link )
  -- isalpha ( Index Term Link )
  -- isascii ( Index Term Link )
  -- iscntrl ( Index Term Link )
  -- isdigit ( Index Term Link )
  -- isgraph ( Index Term Link )
  -- islower ( Index Term Link )
  -- isprint ( Index Term Link )
  -- ispunct ( Index Term Link )
  -- isspace ( Index Term Link )
  -- isupper ( Index Term Link )
  -- isxdigit ( Index Term Link )
 
 clock -- report CPU time used ( Index Term Link )
 
 close or iterate over open file descriptors -- closefrom ( Index Term Link )
 
 close or iterate over open file descriptors -- fdwalk ( Index Term Link )
 
 close a directory stream -- closedir ( Index Term Link )
 
 close a shared object -- dlclose ( Index Term Link )
 
 close a stream -- fclose ( Index Term Link )
 
 closedir -- close a directory stream ( Index Term Link )
 
 closefrom -- close or iterate over open file descriptors ( Index Term Link )
 
 closelog -- control system log ( Index Term Link )
 
 code conversion allocation function -- iconv_open ( Index Term Link )
 
 code conversion deallocation function -- iconv_close ( Index Term Link )
 
 code conversion for Process Code and File Code
  -- strtows ( Index Term Link )
  -- wstostr ( Index Term Link )
 
 code conversion function -- iconv ( Index Term Link )
 
 column positions of a wide-character code -- wcwidth ( Index Term Link )
 
 column positions of a wide-character string -- wcswidth ( Index Term Link )
 
 command options, get option letter from argument vector -- getopt ( Index Term Link )
 
 command suboptions, parse suboptions from a string -- getsubopt ( Index Term Link )
 
 compare wide-characters in memory -- wmemcmp ( Index Term Link )
 
 compile and execute regular expressions
  -- re_comp ( Index Term Link )
  -- re_exec ( Index Term Link )
 
 confstr -- get configurable variables ( Index Term Link )
 
 control system log
  -- closelog ( Index Term Link )
  -- openlog ( Index Term Link )
  -- setlogmask ( Index Term Link )
  -- syslog ( Index Term Link )
 
 convert date and time to string -- strftime ( Index Term Link )
 
 convert formatted input -- fscanf ( Index Term Link )
 
 convert formatted input -- scanf ( Index Term Link )
 
 convert formatted input -- sscanf ( Index Term Link )
 
 convert formatted input -- vfscanf ( Index Term Link )
 
 convert formatted input -- vscanf ( Index Term Link )
 
 convert formatted input -- vsscanf ( Index Term Link )
 
 convert formatted wide-character input -- fwscanf ( Index Term Link )
 
 convert formatted wide-character input -- swscanf ( Index Term Link )
 
 convert formatted wide-character input -- vfwscanf ( Index Term Link )
 
 convert formatted wide-character input -- vswscanf ( Index Term Link )
 
 convert formatted wide-character input -- vwscanf ( Index Term Link )
 
 convert formatted wide-character input -- wscanf ( Index Term Link )
 
 convert string to unsigned long -- strtoul ( Index Term Link )
 
 convert wide character string to double-precision number -- wcstod ( Index Term Link )
 
 convert date and time to string -- strftime
  ascftime ( Index Term Link )
  cftime ( Index Term Link )
 
 convert wide character string to double-precision number -- watof, watof ( Index Term Link )
 
 convert wide character string to double-precision number -- wstod, wstod ( Index Term Link )
 
 convert a character string to a wide-character string -- mbstowcs ( Index Term Link )
 
 convert a character string to a wide-character string (restartable) -- mbsrtowcs ( Index Term Link )
 
 convert a character to a wide-character code -- mbtowc ( Index Term Link )
 
 convert a character to a wide-character code (restartable) -- mbrtowc ( Index Term Link )
 
 convert a wide-character code to a character -- wctomb ( Index Term Link )
 
 convert a wide-character code to a character (restartable) -- wcrtomb ( Index Term Link )
 
 convert a wide-character string to a character string -- wcstombs ( Index Term Link )
 
 convert a wide-character string to a character string (restartable) -- wcsrtombs ( Index Term Link )
 
 convert date and time to wide character string -- wcsftime ( Index Term Link )
 
 convert floating-point number to string
  -- ecvt ( Index Term Link )
  -- fcvt ( Index Term Link )
  -- gcvt ( Index Term Link )
 
 convert monetary value to string --strfmon ( Index Term Link )
 
 convert numbers to strings
  -- econvert ( Index Term Link )
  -- fconvert ( Index Term Link )
  -- fprintf ( Index Term Link )
  -- gconvert ( Index Term Link )
  -- printf ( Index Term Link )
  -- qeconvert ( Index Term Link )
  -- qfconvert ( Index Term Link )
  -- qgconvert ( Index Term Link )
  -- seconvert ( Index Term Link )
  -- sfconvert ( Index Term Link )
  -- sgconvert ( Index Term Link )
  -- sprintf ( Index Term Link )
  -- vfprintf ( Index Term Link )
  -- vprintf ( Index Term Link )
 
 convert string to double-precision number
  -- atof ( Index Term Link )
  -- strtod ( Index Term Link )
 
 convert to wchar_t strings, wsprintf ( Index Term Link )
 
 convert wide character string to unsigned long -- wcstoul ( Index Term Link )
 
 copy wide-characters in memory -- wmemcpy ( Index Term Link )
 
 copy wide-characters in memory with overlapping areas -- wmemmove ( Index Term Link )
 
 CPU time, report for calling process -- clock ( Index Term Link )
 
 CPU-use, prepare execution profile -- monitor ( Index Term Link )
 
 create a temporary file -- tmpfile ( Index Term Link )
 
 create new file from dynamic object component -- dldump ( Index Term Link )
 
 crypt -- string encoding function ( Index Term Link )
 
 cset -- get information on EUC codesets ( Index Term Link )
 
 csetcol -- get information on EUC codesets ( Index Term Link )
 
 csetlen -- get information on EUC codesets ( Index Term Link )
 
 csetno -- get information on EUC codesets ( Index Term Link )
 
 ctermid -- generate path name for controlling terminal ( Index Term Link )
 
 ctermid_r -- generate path name for controlling terminal ( Index Term Link )
 
 ctype -- character handling ( Index Term Link )
 
 current location of a named directory stream -- telldir ( Index Term Link )
 
 current working directory, get pathname -- getcwd ( Index Term Link )
 
 cuserid -- get character-string representation of login name of user ( Index Term Link )