CWinApp theApp;

#include <iostream.h>
#include <string.h>
★#include <mem.h>

enum boolean { false, true };

class stack {
public:
        stack();
        stack(int size);
        stack(const char p[]);
        stack(const stack& sptr);
        ~stack() {delete []s; }
        void clear() {top = EMPTY; }
        void push(cha c) { s[++top] = c; }
        char pop() { return (s[top--]; }
        char top_of() const { return (s[top]; }
        boolean empty() const { return (boolean) (top == EMPTY); }
        boolean full() const {return (boolean) (top == max_len-1);}

private:
        enum {EMPTY = -1};
        char* s;
        int max_len;
        int top;
};

stack::stak()
{
s = new char[100];
max_len = 100;
top = EMPTY;
}


stack::stack(int size)
{
        s = new char[size];
        max_len = size;
        top = EMPTY;
}
stack::stack(const char p[])
{
        max_len = strlen(p);

        s=new char[max_len];
        for (int i = 0; i< max_len && p[i] !=0; ++i)
                s[i] = p[i];
        top = --i;
}

stack::stack(const stack&sptr)
{
        s=new char[sptr.max_len];
        max_len = sptr.max_len;
        top = sptr.top;
        memcpy(s, sptr.s, max_len);
}

void main()
{
        stack a,b("Welcome to the C++!"), c(b), d;
        int i;
        char ch;

        for(i=0; i<26; i++) a.push('a' + i);
        for(i=0; i<26; i++) cout << a.pop();
        cout << endl;

        while (b.empty() != true) cout << b.pop();
        cout << endl;

        while(c.empty() !=true) {
                ch = c.pop();
                d.push(ch);
        }

        while (d.empty() !=true) cout << d.pop();
        cout << endl;
}

★된 부분에서 오류가 나왔습니다.
Cannot open include file: 'mem.h': No such file or directory
헤더파일이 없어서 나타난거 같았는데
아무리 찾아봐도 헤더파일을 찾을수가 없는데...
어떻게 해야되나요?ㅠㅠ
꼭 답변 부탁드립니다ㅠㅠ
이 게시물을...