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| F |
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| | fattach - attach a STREAMS-based file descriptor to an object in the file system name space (  ) |
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| | fclose - close a stream ( ) |
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| | fconvert - convert number to ASCII ( ) |
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| | FD_CLR - synchronous I/O multiplexing ( ) |
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| | FD_ISSET - synchronous I/O multiplexing ( ) |
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| | FD_SET - synchronous I/O multiplexing ( ) |
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| | FD_ZERO - synchronous I/O multiplexing ( ) |
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| | fdetach - detach a name from a STREAMS-based file descriptor ( ) |
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| | fdopen - associate a stream with a file descriptor ( ) |
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| | fetch - data base subroutines ( ) |
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| | fflush - flush a stream ( ) |
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| | ffs - find first set bit ( ) |
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| | fgetc - get a byte from a stream ( ) |
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| | fgetgrent - group database entry functions ( ) |
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| | fgetgrent_r - group database entry functions ( ) |
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| | fgetpos - get current file position information ( ) |
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| | fgetpwent - get password entry from a file ( ) |
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| | fgetpwent_r - get password entry from a file ( ) |
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| | fgetspent - get shadow password database entry ( ) |
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| | fgetspent_r - get shadow password database entry(reentrant) ( ) |
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| | fgetwc - get a wide-character code from a stream ( ) |
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| | fgetws - get a wide-character string from a stream ( ) |
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| | FIFO, create a new one - mkfifo ( ) |
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| | file descriptor |
| | | duplicate an open one - dup2 ( ) |
| | | STREAMS-based, attach to an object in file system name space - fattach ( ) |
| | | test for a STREAMS file - isastream ( ) |
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| | file descriptors, apply or remove advisory lock on open file - flock ( ) |
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| | file name, make a unique one - mktemp ( ) |
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| | make a unique file name - mkstemp ( ) |
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| | file pointer in a stream, reposition - fsetpos, fgetpos ( ) |
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| | file_to_decimal - decimal record from character stream ( ) |
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| | file tree |
| | | recursively descend - ftw ( ) |
| | | recursively descend - nftw ( ) |
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| | files |
| | | allows sections of file to be locked - lockf ( ) |
| | | optimizing usage of files - directio ( ) |
| | | - remove ( ) |
| | | report parent directory of file path name - dirname ( ) |
| | | set a file to a specified length - truncate ( ) |
| | | synchronize a file's in-memory state with that on the physical medium - fsync ( ) |
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| | find a wide-character in memory - wmemchr ( ) |
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| | find a wide-character substring - wcsstr ( ) |
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| | find pathname of a terminal |
| | | - ttyname ( ) |
| | | - ttyname_r ( ) |
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| | firstkey - data base subroutines ( ) |
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| | floating-point number, convert to string - ecvt ( ) |
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| | floating-point number, determine type |
| | | - finite ( ) |
| | | - fpclass ( ) |
| | | - isnan ( ) |
| | | - isnand ( ) |
| | | - isnanf ( ) |
| | | - unordered ( ) |
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| | flock - apply or remove an advisory lock on an open file ( ) |
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| | flockfile - acquire and release stream lock ( ) |
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| | flush a stream - fflush ( ) |
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| | flush non-transmitted output data, non-read input data or both - tcflush ( ) |
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| | _flushlbf - interfaces to stdio FILE structure ( ) |
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| | fmtmsg - display a message on stderr or system console ( ) |
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| | fnmatch - match filename or path name ( ) |
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| | fopen - open a stream ( ) |
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| | fopen - open stream ( ) |
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| | formatted input conversion - wsscanf ( ) |
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| | formatted output conversion |
| | | - fprintf ( ) |
| | | - printf ( ) |
| | | - sprintf ( ) |
| | | - vfprintf ( ) |
| | | - vprintf ( ) |
| | | - vsprintf ( ) |
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| | fpgetmask - IEEE floating-point environment control ( ) |
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| | fpgetround - IEEE floating-point environment control ( ) |
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| | fpgetsticky - IEEE floating-point environment control ( ) |
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| | fprintf - formatted output conversion ( ) |
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| | fprintf - print formatted output ( ) |
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| | fpsetmask - IEEE floating-point environment control ( ) |
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| | fpsetround - IEEE floating-point environment control ( ) |
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| | fpsetsticky -IEEE floating-point environment control ( ) |
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| | fputc - put a byte on a stream ( ) |
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| | fputws - put wide character string on a stream ( ) |
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| | free - memory allocator ( ) |
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| | freopen - open a stream ( ) |
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| | freopen - open stream ( ) |
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| | frexp - extract mantissa and exponent from double precision number ( ) |
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| | fscanf - convert formatted input ( ) |
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| | fseek - reposition a file-position indicator in a stream ( ) |
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| | fseeko - reposition a file-position indicator in a stream ( ) |
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| | fsetpos - reposition a file pointer in a stream ( ) |
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| | fsync - synchronize a file's in-memory state with that on the physical medium ( ) |
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| | ftell - return a file offset in a stream ( ) |
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| | ftello - return a file offset in a stream ( ) |
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| | ftime - get date and time ( ) |
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| | ftruncate - set a file to a specified length ( ) |
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| | ftw - walk a file tree ( ) |
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| | func_to_decimal - decimal record from character function ( ) |
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| | funlockfile - acquire and release stream lock ( ) |
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| | fwide - set stream orientation ( ) |
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| | fwprintf - print formatted wide-character output ( ) |
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| | fwscanf - convert formatted wide-character input ( ) |
