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Chapter 5 Function Reference |
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getpgrp pid
Returns the current process group for the specified process ID (
pid
). Use a
pid
of
0
for the current process. Invoking
getpgrp
will produce a fatal error if used on a machine that doesn't implement the
getpgrp
system call. If
pid
is omitted, the function returns the process group of the current process (the same as using a
pid
of
0
). On systems implementing this operator with the POSIX
getpgrp(2)
system call,
pid
must be omitted or, if supplied, must be
0
.
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| Reference: getpeername |
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Reference: getppid |