isnull            806 ext/mbstring/oniguruma/regexec.c #define STACK_NULL_CHECK(isnull,id,s) do {\
isnull            813 ext/mbstring/oniguruma/regexec.c         (isnull) = (k->u.null_check.pstr == (s));\
isnull            820 ext/mbstring/oniguruma/regexec.c #define STACK_NULL_CHECK_REC(isnull,id,s) do {\
isnull            829 ext/mbstring/oniguruma/regexec.c           (isnull) = (k->u.null_check.pstr == (s));\
isnull            841 ext/mbstring/oniguruma/regexec.c #define STACK_NULL_CHECK_MEMST(isnull,id,s,reg) do {\
isnull            849 ext/mbstring/oniguruma/regexec.c           (isnull) = 0;\
isnull            854 ext/mbstring/oniguruma/regexec.c           (isnull) = 1;\
isnull            858 ext/mbstring/oniguruma/regexec.c                 (isnull) = 0; break;\
isnull            865 ext/mbstring/oniguruma/regexec.c                 (isnull) = 0; break;\
isnull            868 ext/mbstring/oniguruma/regexec.c                 (isnull) = -1; /* empty, but position changed */ \
isnull            880 ext/mbstring/oniguruma/regexec.c #define STACK_NULL_CHECK_MEMST_REC(isnull,id,s,reg) do {\
isnull            890 ext/mbstring/oniguruma/regexec.c             (isnull) = 0;\
isnull            895 ext/mbstring/oniguruma/regexec.c             (isnull) = 1;\
isnull            899 ext/mbstring/oniguruma/regexec.c                   (isnull) = 0; break;\
isnull            906 ext/mbstring/oniguruma/regexec.c                   (isnull) = 0; break;\
isnull            909 ext/mbstring/oniguruma/regexec.c                   (isnull) = -1; /* empty, but position changed */ \
isnull           2334 ext/mbstring/oniguruma/regexec.c 	int isnull;
isnull           2337 ext/mbstring/oniguruma/regexec.c 	STACK_NULL_CHECK(isnull, mem, s);
isnull           2338 ext/mbstring/oniguruma/regexec.c 	if (isnull) {
isnull           2369 ext/mbstring/oniguruma/regexec.c 	int isnull;
isnull           2372 ext/mbstring/oniguruma/regexec.c 	STACK_NULL_CHECK_MEMST(isnull, mem, s, reg);
isnull           2373 ext/mbstring/oniguruma/regexec.c 	if (isnull) {
isnull           2378 ext/mbstring/oniguruma/regexec.c 	  if (isnull == -1) goto fail;
isnull           2391 ext/mbstring/oniguruma/regexec.c 	int isnull;
isnull           2395 ext/mbstring/oniguruma/regexec.c 	STACK_NULL_CHECK_MEMST_REC(isnull, mem, s, reg);
isnull           2397 ext/mbstring/oniguruma/regexec.c 	STACK_NULL_CHECK_REC(isnull, mem, s);
isnull           2399 ext/mbstring/oniguruma/regexec.c 	if (isnull) {
isnull           2404 ext/mbstring/oniguruma/regexec.c 	  if (isnull == -1) goto fail;
isnull           21996 ext/sqlite3/libsqlite/sqlite3.c         int i, j, k, n, isnull;
isnull           22007 ext/sqlite3/libsqlite/sqlite3.c         isnull = escarg==0;
isnull           22008 ext/sqlite3/libsqlite/sqlite3.c         if( isnull ) escarg = (xtype==etSQLESCAPE2 ? "NULL" : "(NULL)");
isnull           22013 ext/sqlite3/libsqlite/sqlite3.c         needQuote = !isnull && xtype==etSQLESCAPE2;