1#include "stdio_impl.h"
 2#include <errno.h>
 3#include <unistd.h>
 4
 5int pclose(FILE *f)
 6{
 7	int status, r;
 8	pid_t pid = f->pipe_pid;
 9	fclose(f);
10	while ((r=__sys_wait4(pid, &status, 0, 0)) == -EINTR);
11	if (r<0) return __syscall_ret(r);
12	return status;
13}