int x0,int y0,int x1,int y1,int x2,int y2);
int swf_GetNumUsedIDs(TAG * t);
void swf_GetUsedIDs(TAG * t, int * positions);
-void swf_Relocate(SWF*swf, char*bitmap); // bitmap is 65536 bytes, bitmap[a]==0 means id a is free
+char swf_Relocate(SWF*swf, char*bitmap); // bitmap is 65536 bytes, bitmap[a]==0 means id a is free
void swf_RelocateDepth(SWF*swf, char*bitmap); // bitmap is 65536 bytes, bitmap[d]==0 means depth d is free
TAG* swf_Concatenate (TAG*list1,TAG*list2); // warning: both list1 and list2 are invalid after this call.