pub fn fchown(fd: fd_t, owner: uid_t, group: gid_t) usize
pub fn fchown(fd: fd_t, owner: uid_t, group: gid_t) usize { if (@hasField(SYS, "fchown32")) { return syscall3(.fchown32, @as(u32, @bitCast(fd)), owner, group); } else { return syscall3(.fchown, @as(u32, @bitCast(fd)), owner, group); } }