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 )