Function stbiw__outfile 

pub unsafe fn stbiw__outfile(
    s: *mut stbi__write_context,
    rgb_dir: i32,
    vdir: i32,
    x: i32,
    y: i32,
    comp: i32,
    expand_mono: i32,
    data: *const u8,
    alpha: i32,
    pad: i32,
    fmt: &str,
    args: &[i32],
) -> i32