posix_spawnattr_getpgroup.c\process\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <spawn.h>
int posix_spawnattr_getpgroup(const posix_spawnattr_t *restrict attr, pid_t *restrict pgrp)
{
	*pgrp = attr->__pgrp;
	return 0;
}