Function freeimage::ffi::FreeImage_Allocate

pub unsafe extern "C" fn FreeImage_Allocate(
    width: c_int, 
    height: c_int, 
    bpp: c_int, 
    red_mask: c_uint, 
    green_mask: c_uint, 
    blue_mask: c_uint
) -> *mut FIBITMAP