POSIX Functions

posix_access — Determine accessibility of a file

posix_ctermid — Get path name of controlling terminal

posix_get_last_error — Retrieve the error number set by the last posix function that failed

posix_getcwd — Pathname of current directory

posix_getegid — Return the effective group ID of the current process

posix_geteuid — Return the effective user ID of the current process

posix_getgid — Return the real group ID of the current process

posix_getgrgid — Return info about a group by group id

posix_getgrnam — Return info about a group by name

posix_getgroups — Return the group set of the current process

posix_getlogin — Return login name

posix_getpgid — Get process group id for job control

posix_getpgrp — Return the current process group identifier

posix_getpid — Return the current process identifier

posix_getppid — Return the parent process identifier

posix_getpwnam — Return info about a user by username

posix_getpwuid — Return info about a user by user id

posix_getrlimit — Return info about system resource limits

posix_getsid — Get the current sid of the process

posix_getuid — Return the real user ID of the current process

posix_initgroups — Calculate the group access list

posix_isatty — Determine if a file descriptor is an interactive terminal

posix_kill — Send a signal to a process

posix_mkfifo — Create a fifo special file (a named pipe)

posix_mknod — Create a special or ordinary file (POSIX.1)

posix_setegid — Set the effective GID of the current process

posix_seteuid — Set the effective UID of the current process

posix_setgid — Set the GID of the current process

posix_setpgid — Set process group id for job control

posix_setsid — Make the current process a session leader

posix_setuid — Set the UID of the current process

posix_strerror — Retrieve the system error message associated with the given errno

posix_times — Get process times

posix_ttyname — Determine terminal device name

posix_uname — Get system name

See Also