linux_unsafe

Function write

Source 
pub unsafe fn write(
    fd: int,
    buf: *const c_void,
    count: size_t,
) -> Result<ssize_t>
Expand description

Write to a file descriptor.

Examples found in repository?
examples/getpid.rs (line 9)
1fn main() {
2    let pid = unsafe { linux_unsafe::getpid() };
3
4    let msg = format!("{}\n", pid);
5    let msg_raw = msg.as_bytes();
6    let msg_ptr = msg_raw.as_ptr() as *const linux_unsafe::void;
7    let msg_size = msg_raw.len() * core::mem::size_of::<u8>();
8
9    let written = unsafe { linux_unsafe::write(1, msg_ptr, msg_size) }.unwrap();
10    if written < 0 {
11        panic!("failed to write");
12    }
13}