master
 1#include <unistd.h>
 2#include "syscall.h"
 3
 4int pipe(int fd[2])
 5{
 6#ifdef SYS_pipe
 7	return syscall(SYS_pipe, fd);
 8#else
 9	return syscall(SYS_pipe2, fd, 0);
10#endif
11}