Type Definition glu_sys::glu::PFNGLGETFRAMEBUFFERPARAMETERFVAMDPROC

type PFNGLGETFRAMEBUFFERPARAMETERFVAMDPROC = Option<unsafe extern "C" fn(target: GLenum, pname: GLenum, numsamples: GLuint, pixelindex: GLuint, size: GLsizei, values: *mut GLfloat)>;