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getpgid(2) -- get process, process group and parent process ID.
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These functions return process, process group and parent process IDs, as follows: getpgid() Process group ID of the specified process. If pid is zero, the call applies to the calling process. Same result as getpgrp2(). getpgrp() Process group ID of the calling process. getpgrp2() Process group ID of the specified process. If pid is zero, the call applies to the calling process. Same result as getp... |
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