483   char *zFrom;             /* Transform from (a string from user input) */  member
574   const char *zFrom = (const char *)sqlite3_column_text(pStmt, 1);  in amatchLoadOneRule()  local
583   if( zFrom==0 ) zFrom = "";  in amatchLoadOneRule()
585   nFrom = (int)strlen(zFrom);  in amatchLoadOneRule()
589   if( strcmp(zFrom, zTo)==0 ){  in amatchLoadOneRule()
590     if( zFrom[0]=='?' && zFrom[1]==0 ){  in amatchLoadOneRule()
615   if( strcmp(zFrom,"")==0 && strcmp(zTo,"?")==0 ){  in amatchLoadOneRule()
618   if( strcmp(zFrom,"?")==0 && strcmp(zTo,"")==0 ){  in amatchLoadOneRule()
627       pRule->zFrom = &pRule->zTo[nTo+1];  in amatchLoadOneRule()
629       memcpy(pRule->zFrom, zFrom, nFrom+1);  in amatchLoadOneRule()
1235       if( strncmp(pRule->zFrom, pCur->zInput+pWord->nMatch, pRule->nFrom)==0 ){  in amatchNext()