UNGCPRO          3202 test/manual/etags/c-src/emacs/src/lisp.h #define UNGCPRO ((void) 0)
UNGCPRO          3257 test/manual/etags/c-src/emacs/src/lisp.h #define UNGCPRO (gcprolist = gcpro1.next)
UNGCPRO          3353 test/manual/etags/c-src/emacs/src/lisp.h #define UNGCPRO					\