_longjmp         7937 src/image.c    #  define FAST_LONGJMP _longjmp
_longjmp         2258 src/lisp.h     # define sys_longjmp(j, v) _longjmp (j, v)
_longjmp         2908 test/manual/etags/c-src/emacs/src/lisp.h # define sys_longjmp(j, v) _longjmp (j, v)