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#include "stddef.h" #include "sys/types.h" #include <unistd.h> #include "errno.h" #include "nonstd/syscall.h" int setpgid(pid_t pid, pid_t pgid) { SYSCALL("setpgid", int, -1, pid, pgid, 0, 0, 0, 0); } /* POSIX(1) */