memset in cpp

1#include <iostream>
2using namespace std;
3int main(){
4   //Pointer declaration
5   int *p, var=101;
6 
7   //Assignment
8   p = &var;
9
10   cout<<"Address of var: "<<&var<<endl;
11   cout<<"Address of var: "<<p<<endl;
12   cout<<"Address of p: "<<&p<<endl;
13   cout<<"Value of var: "<<*p;
14   return 0;
15}

1#include <cstring>
2memset(a, 0, sizeof(a));

1memset(a, 0, sizeof(a)) 
2memset(str, '#', sizeof(str)); 

1/* memset example */
2#include <stdio.h>
3#include <string.h>
4
5int main ()
6{
7  char str[] = "almost every programmer should know memset!";
8  memset (str,'-',6);
9  puts (str);
10  return 0;
11}
12
13Output: ------ every programmer should know memset!

1asdad

1/* memset example */
2#include <stdio.h>
3#include <string.h>
4
5int main ()
6{
7  char str[] = "almost every programmer should know memset!";
8  memset (str,'-',6);
9  puts (str);
10  return 0;
11}