safe_tolower     1778 third_party/sqlite/src/ext/fts1/fts1.c     if( safe_tolower(*s++)!=safe_tolower(*t++) ) return 0;
safe_tolower     2823 third_party/sqlite/src/ext/fts2/fts2.c     if( safe_tolower(*s++)!=safe_tolower(*t++) ) return 0;