libc-spawn 0.0.1

Raw bindings to POSIX spawn APIs for Rust
Documentation 
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use libc;

extern "C" {
    fn libc_spawn_helper_environ() -> *const *const libc::c_char;
    fn libc_spawn_helper_try_get_posix_spawn_usevfork(val: *mut libc::c_short) -> libc::c_int;
}

pub fn environ() -> *const *const libc::c_char {
    unsafe { libc_spawn_helper_environ() }
}

pub fn posix_spawn_usevfork() -> Option<libc::c_short> {
    let mut val: libc::c_short = 0;
    unsafe {
        if libc_spawn_helper_try_get_posix_spawn_usevfork(&mut val as _) != 0 {
            Some(val)
        } else {
            None
        }
    }
}