stack.h 311 Bytes
#define STACKSIZE 20

struct stack_handle {
    int top; /* index of first free slot on stack */
    int data[STACKSIZE];
};

void push(struct stack_handle* s, int a);
int pop(struct stack_handle* s);
void clear(struct stack_handle* s);
void init(struct stack_handle* s);
void finalize(struct stack_handle* s);