code: func GetProgramResourceLocationIndex(program uint32, programInterface uint32, name *uint8) int32 {
  	ret := C.glowGetProgramResourceLocationIndex(gpGetProgramResourceLocationIndex, (C.GLuint)(program), (C.GLenum)(programInterface), (*C.GLchar)(unsafe.Pointer(name)))
  	return (int32)(ret)
  }
docs: // query the fragment color index of a named variable within a program