string_dup_n      883 third_party/sqlite/src/ext/fts1/fts1.c   return string_dup_n(s, strlen(s));
string_dup_n      471 third_party/sqlite/src/ext/fts1/fulltext.c   return string_dup_n(s, strlen(s));
string_dup_n     1157 third_party/sqlite/src/ext/fts1/fulltext.c     query_add(pQuery, !in_phrase || is_first, string_dup_n(zToken, nToken));
string_dup_n     1802 third_party/sqlite/src/ext/fts2/fts2.c   return string_dup_n(s, strlen(s));