Function uapi::cmsg_read

pub fn cmsg_read<'a>(buf: &mut &'a [u8]) -> Result<(usize, cmsghdr, &'a [u8])>

Reads a cmsg from a buffer

This function will

• advance the buffer by the used space
• return the used space, the cmsg header, and the data buffer

Returns an error if no message could be read from the buffer.

See also the crate documentation.