Provided by: manpages-dev_2.77-1_all
getpid, getppid - get process identification
getpid() returns the process ID of the calling process. (This is often
used by routines that generate unique temporary filenames.)
getppid() returns the process ID of the parent of the calling process.
These functions are always successful.
POSIX.1-2001, 4.3BSD, SVr4
fork(2), kill(2), exec(3), mkstemp(3), tempnam(3), tmpfile(3),
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