code: func GetNamedBufferSubData(buffer uint32, offset int, size int, data unsafe.Pointer) {
  	C.glowGetNamedBufferSubData(gpGetNamedBufferSubData, (C.GLuint)(buffer), (C.GLintptr)(offset), (C.GLsizeiptr)(size), data)
  }
docs: // returns a subset of a buffer object's data store