6 void pushstack(struct StackElement **septr,void * obj) {
7 struct StackElement * nse=(struct StackElement *)malloc(sizeof(struct StackElement));
13 void * popstack(struct StackElement **septr) {
15 printf("Empty Stack\n");
16 return NULL;/* Empty stack */
19 void *obj=(*septr)->contents;
20 struct StackElement *ose=*septr;