code: func GetObjectLabel(identifier uint32, name uint32, bufSize int32, length *int32, label *uint8) {
  	C.glowGetObjectLabel(gpGetObjectLabel, (C.GLenum)(identifier), (C.GLuint)(name), (C.GLsizei)(bufSize), (*C.GLsizei)(unsafe.Pointer(length)), (*C.GLchar)(unsafe.Pointer(label)))
  }
docs: // retrieve the label of a named object identified within a namespace