Compiler warnings.

src/base/cba/cbaNtk.c

@@ -60,7 +60,7 @@ int Cba_ManAssignInternTwo( Cba_Ntk_t * p, int iNum, Vec_Int_t * vMap )
 }
 void Cba_ManPrepareBitNames( Cba_Ntk_t * p, Vec_Int_t * vMap, int * pnNames, Vec_Int_t * vRanges, Vec_Int_t * vNames )
 {
-    int n = 0, i, k, Range;
+    int i, k, Range;
     Vec_IntClear( vNames );
     Vec_IntForEachEntry( vRanges, Range, i )
     {

src/base/cba/cbaWriteVer.c

@@ -212,7 +212,6 @@ void Cba_ManWriteLit( Cba_Ntk_t * p, int NameId, int iBit )
 }
 void Cba_ManWriteSig( Cba_Ntk_t * p, int iObj )
 {
-    Vec_Str_t * vStr = p->pDesign->vOut;
     int iNameId = Cba_ObjName(p, iObj);
     if ( Cba_NameType(iNameId) == CBA_NAME_BIN )
         Cba_ManWriteLit( p, Abc_Lit2Var2(iNameId), -1 );

src/misc/extra/extraBddMisc.c

@@ -1465,7 +1465,7 @@ static DdNode * extraBddCountCubes( DdManager * dd, DdNode * L, DdNode * U, st__
 
     cuddCacheInsert2(dd, cuddBddIsop, L, U, r);
     *pnCubes = Count0 + Count1 + Count2;
-    if ( st__add_direct( table, (char *)r, (char *)*pnCubes ) == st__OUT_OF_MEM )
+    if ( st__add_direct( table, (char *)r, (char *)(ABC_PTRINT_T)*pnCubes ) == st__OUT_OF_MEM )
     {
         Cudd_RecursiveDeref( dd, r );
         return NULL;