pop_message_unwind 6450 src/alloc.c          record_unwind_protect_void (pop_message_unwind);
pop_message_unwind 6210 src/fileio.c         record_unwind_protect_void (pop_message_unwind);
pop_message_unwind 4159 src/lisp.h     extern void pop_message_unwind (void);
pop_message_unwind 3681 test/manual/etags/c-src/emacs/src/lisp.h extern void pop_message_unwind (void);