初始化 void initstack( Seqstack*S){/置空栈 S->base=( StackData*)malloc(STACK INIT SIZE sizeof(StackData)); if(s->base)exit(OVERFLOW); S-top= S->base S->stacksize= STACK INIT SIZE Return ok;▪初始化 void InitStack ( SeqStack *S) { //置空栈 S->base =( StackData *)malloc(STACK_INIT_SIZE * sizeof(StackData)); if (!S->base) exit(OVERFLOW); S->top = S->base ; S->stacksize= STACK_INIT_SIZE ; Return ok; }