[완료] 개발중 질문있습니다

typedef struct Stack{
    char stack[STACK_SIZE];
    int top;
}Stack;
 
void push(Stack* s, char c)
{
    if(s->top == 100){
        printf("stack is full\n");
        exit(1);
    }
    s->top++;
    s->stack[s->top] = c;
}

typedef struct Stack_d{
    double stack[STACK_SIZE];
    int top;
}Stack_d;
 
void push(Stack* s, double d)
{
    if(s->top == 100){
        printf("stack is full\n");
        exit(1);
    }
    s->top++;
    s->stack[s->top] = d;
}