pub unsafe extern "C" fn glMapNamedBufferRange(
buffer: GLuint,
offset: GLintptr,
length: GLsizeiptr,
access: GLbitfield,
) -> *mut c_voidpub unsafe extern "C" fn glMapNamedBufferRange(
buffer: GLuint,
offset: GLintptr,
length: GLsizeiptr,
access: GLbitfield,
) -> *mut c_void