Type Definition makepad_glx_sys::PFNGLNAMEDPROGRAMLOCALPARAMETER4DEXTPROC

type PFNGLNAMEDPROGRAMLOCALPARAMETER4DEXTPROC = Option<unsafe extern "C" fn(program: GLuint, target: GLenum, index: GLuint, x: GLdouble, y: GLdouble, z: GLdouble, w: GLdouble)>;