Function map 

pub unsafe fn map(
    x: i32,
    y: i32,
    w: i32,
    h: i32,
    sx: i32,
    sy: i32,
    trans_colors: *const u8,
    color_count: i8,
    scale: i8,
    remap: i32,
)

Safety:

This is normally an external function that is unsafe