setpgrp on System V

[Doug Gwyn]

In article <1127 at altos86.UUCP> clp at altos86.UUCP (Chuck L. Peterson) writes:
>The library calls setpgrp and getpgrp both use the setpgrp() system call.
>Setgrp() gets translated to setgrp(1), and getpgrp gets translated to 
>setpgrp(0).  The manuals are consistent with the library call and
>say that setpgrp takes no argument.  Are there any other cases where
>the C library changes arguments to system calls?  This seems odd.

Perhaps the kernel implementors were trying to keep the GATE switch
array as small as possible.  So long as the C library interfaces to
the system calls function properly, what do you care how they're
implemented?