Function by_mut

src/backend/linux_raw/conv.rs:217–219

(t: &mut T)

#[inline]
pub(super) fn by_mut<T: Sized, Num: ArgNumber>(t: &mut T) -> ArgReg<'_, Num> {
    raw_arg(as_mut_ptr(t).cast())
}

/// Convert an optional mutable reference into a `usize` for passing to a
/// syscall.