CLIP              988 contrib/gregbook/rpng2-win.c         angle = CLIP(angle, 0.0, 360.0);
CLIP              989 contrib/gregbook/rpng2-win.c         grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
CLIP             1238 contrib/gregbook/rpng2-x.c         angle = CLIP(angle, 0.0, 360.0);
CLIP             1239 contrib/gregbook/rpng2-x.c         grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));
CLIP             2006 contrib/gregbook/rpng2-x.c         angle = CLIP(angle, 0.0, 360.0);
CLIP             2007 contrib/gregbook/rpng2-x.c         grayspot = CLIP(bg[pat].bg_gray, 1, (hh + hw));