Macro nix::sys::ioctl::request_code_readwrite
source · macro_rules! request_code_readwrite { ($g:expr, $n:expr, $len:expr) => { ... }; }
Available on crate feature
ioctl
only.Expand description
Generate an ioctl request code for a command that reads and writes.
This is equivalent to the _IOWR()
macro exposed by the C ioctl API.
You should only use this macro directly if the ioctl
you’re working
with is “bad” and you cannot use ioctl_readwrite!()
directly.