1#include <stdio.h>
 2#include <fcntl.h>
 3#include "syscall.h"
 4
 5int rename(const char *old, const char *new)
 6{
 7#if defined(SYS_rename)
 8	return syscall(SYS_rename, old, new);
 9#elif defined(SYS_renameat)
10	return syscall(SYS_renameat, AT_FDCWD, old, AT_FDCWD, new);
11#else
12	return syscall(SYS_renameat2, AT_FDCWD, old, AT_FDCWD, new, 0);
13#endif
14}