ack/mach/minix/libsys/_getppid.c

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#include <lib.h>
#define getppid _getppid
PUBLIC int getppid()
{
int p;
p = _callm1(MM, GETPID, 0, 0, 0, NIL_PTR, NIL_PTR, NIL_PTR);
if (p < 0) return(p);
return(_M.m2_i1);
}