--- a/CbC-examples/c-next.c	Thu Nov 08 06:52:59 2018 +0900
+++ b/CbC-examples/c-next.c	Thu Nov 08 14:06:47 2018 +0900
@@ -5,7 +5,7 @@
 typedef long* MVMRegister;
 typedef void* MVMCompUnit;
 typedef void* MVMCallsite;
-typedef void* MVMThreadContext;
+//typedef void* MVMThreadContext;
 
 typedef struct MVMThreadContext {
 	MVMuint8 **interp_cur_op;
@@ -14,6 +14,7 @@
 	MVMCompUnit **interp_cu;  
 } MVMThreadContext;
 
+
 typedef struct interp {
      MVMuint16 op;
      /* Points to the place in the bytecode right after the current opcode. */
@@ -35,21 +36,18 @@
 
      MVMThreadContext *tc;
     
+    //__code (*ret)();
+    //__code (*main_ret)();
     __code (*ret)(int, void*);
     __code (*main_ret)(int, void*);
     void *env;
 
  } INTER,*INTERP;
 
-__code cbc_no_op(INTERP i){
-   goto cbc_next(i);
-}
+__code cbc_no_op(INTERP);
+__code cbc_exit(INTERP);
 
-__code cbc_exit(INTERP i){
-   goto i->main_ret(0,i->env);
-}
-
- __code (* CODES[])(INTERP) = {
+__code (* CODES[])(INTERP) = {
    cbc_no_op,
    cbc_no_op,
    cbc_exit,
@@ -61,22 +59,41 @@
     goto c(i);
 }
 
-int interp_run(MVMThreadContext *tc){
+__code cbc_no_op(INTERP i){
+   goto cbc_next(i);
+}
+
+__code cbc_exit(INTERP i){
+   goto i->main_ret(0,i->env);
 }
 
-int main(int argc, char **argv){
+//__code main_return(int i,stack sp) {
+//    if (loop-->0)
+//        goto f(233,sp);
+//    printf("#0103:%d\n",i);
+//    goto (( (struct main_continuation *)sp)->main_ret)(0,
+//           ((struct main_continuation *)sp)->env);
+//}
+
+int interp_run(MVMThreadContext *tc){
 	INTER inter = {0,0,0,0,0,0,0,0,0};
 	INTERP i  = &inter;
-	MVMuint8 cur_ops = {0,1,2,0,3,2};
-
+	MVMuint8 cur_op[] = {0,1,1,0,1,2};
+//	i->ret =  main_return;
         i->main_ret = _CbC_return;
         i->env = _CbC_environment;
-	i->cur_op = &cur_ops;
+	i->cur_op = cur_op;
 
 	tc->interp_cur_op         = &i->cur_op;
 	tc->interp_bytecode_start = &i->bytecode_start;
 	tc->interp_reg_base       = &i->reg_base;
 	tc->interp_cu             = &i->cu;
         goto cbc_next(i);
-	// return 0;
+	return 0;
 }
+
+int main(int argc, char **argv){
+   MVMThreadContext tct = {0,0,0,0};
+   MVMThreadContext* tc = &tct;
+   interp_run(tc);
+}