--- a/regexParser/threadedSearch.cc	Sun Jan 31 16:59:43 2016 +0900
+++ b/regexParser/threadedSearch.cc	Sun Jan 31 18:28:58 2016 +0900
@@ -5,8 +5,6 @@
 #include "threadedSearch.h"
 #include "subsetConstruction.h"
 
-void tSearch(TSValue tsv);
-
 static
 TSValue stateNothing(TSValue tsv) {
     return tsv;
@@ -82,7 +80,7 @@
     return state->tState;
 }
 
-void tSearch(TSValue tsv) {
+TSValue tSearch(TSValue tsv) {
     next: while (tsv.buff.buffptr < tsv.buff.buffend) {
         unsigned char c = *tsv.buff.buffptr++;
         // printState(tsv.current->state);
@@ -109,6 +107,7 @@
         }
         tsv = tsv.current->stateSkip(tsv);
     }
+    return tsv;
 }
 
 void threadedSearch(TransitionGeneratorPtr tg, Buffer buff) {