POSIX Funções

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• posix_access — Determine accessibility of a file
• posix_ctermid — Get path name of controlling terminal
• posix_errno — Sinônimo de posix_get_last_error
• 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_setrlimit — Set system resource limits
• 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