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35 lines
458 B
35 lines
458 B
#include <stdbool.h>
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#define STACK_SIZE 100
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//void stack_overflow(void);
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/* external variables */
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int contents[STACK_SIZE];
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int top = 0;
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void make_empty(void) {
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top = 0;
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}
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bool is_empty(void) {
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return top == 0;
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}
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bool is_full(void) {
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return top == STACK_SIZE;
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}
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void push(int i) {
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// if (is_full())
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// stack_overflow();
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// else
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contents[top++] = i;
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}
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int pop(void) {
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// if (is_empty())
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// stack_overflow();
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// else
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return contents[--top];
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}
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