6 void __procfdname(char *, unsigned);
10 int ret = __syscall(SYS_fchdir, fd);
11 if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
12 return __syscall_ret(ret);
14 char buf[15+3*sizeof(int)];
15 __procfdname(buf, fd);
16 return syscall(SYS_chdir, buf);