January 2000
Beginner to intermediate
128 pages
1h 48m
English
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POSIX Functions
These functions conform to the IEEE 1003.1 (POSIX.1) standard:
string posix_ctermid(void)Generate terminal path name (POSIX.1, 4.7.1)
string posix_getcwd( )Get working directory pathname (POSIX.1, 5.2.2)
long posix_getegid(void)Get the current effective group ID (POSIX.1, 4.2.1)
long posix_geteuid(void)Get the current effective user ID (POSIX.1, 4.2.1)
long posix_getgid(void)Get the current group ID (POSIX.1, 4.2.1)
array posix_getgrgid(long gid)Group database access (POSIX.1, 9.2.1)
array posix_getgrnam(string groupname)Group database access (POSIX.1, 9.2.1)
long posix_getgroups(void)Get supplementary group IDs (POSIX.1, 4.2.3)
string posix_getlogin(void)Get user name (POSIX.1, 4.2.4)
long posix_getpgid(void)Get the process group ID of the specified process (non-POSIX)
long posix_getpgrp(void)Get current process group ID (POSIX.1, 4.3.1)
long posix_getpid(void)Get the current process ID (POSIX.1, 4.1.1)
long posix_getppid(void)Get the parent process ID (POSIX.1, 4.1.1)
array posix_getpwnam(string groupname)User database access (POSIX.1, 9.2.2)
array posix_getpwuid(long uid)User database access (POSIX.1, 9.2.2)
long posix_getrlimit(void)Get system resource consumption limits (non-POSIX)
long posix_getsid(void)Get process group ID of session leader (non-POSIX)
long posix_getuid(void)Get the current user ID (POSIX.1, 4.2.1)
bool posix_isatty(int fd)Determine if file descriptor is a
tty(POSIX.1, 4.7.1)int posix_kill(int pid, int sig)Send a signal ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.