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 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 )
 
 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 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 formatted input
  - fscanf ( Index Term Link )
  - scanf ( Index Term Link )
  - sscanf ( Index Term Link )
 
 convert formatted wide-character input
  - fwscanf ( Index Term Link )
  - swscanf ( Index Term Link )
  - wscanf ( 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 )