Type Definition glu_sys::glu::PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC

type PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC = Option<unsafe extern "C" fn(program: GLuint, shadertype: GLenum, index: GLuint, bufsize: GLsizei, length: *mut GLsizei, name: *mut GLchar)>;