Function rs_streams::posix_spawnp

pub unsafe extern "C" fn posix_spawnp(
    pid: *mut i32, 
    file: *const i8, 
    file_actions: *const *mut c_void, 
    attrp: *const *mut c_void, 
    argv: *const *mut i8, 
    envp: *const *mut i8
) -> i32