Function fltk::gl::glSeparableFilter2D

pub unsafe extern "C" fn glSeparableFilter2D(
    target: u32, 
    internalformat: u32, 
    width: i32, 
    height: i32, 
    format: u32, 
    type_: u32, 
    row: *const c_void, 
    column: *const c_void
)