5
void __procfdname(char *, unsigned);
7
int fchown(int fd, uid_t uid, gid_t gid)
9
int ret = __syscall(SYS_fchown, fd, uid, gid);
10
if (ret != -EBADF || fd < 0) return __syscall_ret(ret);
12
char buf[15+3*sizeof(int)];
13
__procfdname(buf, fd);
14
return syscall(SYS_chown, buf, uid, gid);