/C/What happens if i acess a freed variable in c

What happens if i acess a freed variable in c

#include <cs50.h>
#include <stdio.h>

int main(void)
{
  {
    int* px = malloc(sizeof(int));
    *px = 3;
    printf("&px = %i, px = %p\n", *px, px);


    free(px);

    if( px == NULL)
        printf("px is null after free\n");
    else
        printf(" px = %p\n",px);
   }
//     this printf would demonstrate that px is out of scope.
//            printf(" px = %p\n",px);
}

Source: cs50.stackexchange.com

Similar codes

21 votes372 views5 answers
Latest jquery version
C
2 votes337 views2 answers
Json reading in php with key
C
1 vote336 views1 answer
-> C
C
0 vote379 views1 answer
Remix icon cdn
C
0 vote355 views3 answers
Plt circle
C
0 vote340 views1 answer
Exclamation mark in c
C
0 vote361 views1 answer
Clarity ppm jasper domain commands
C
4 votes319 views2 answers
Docker exec -it
C
1 vote343 views1 answer
Fseek function in c
C
0 vote330 views1 answer
How to declare 3dimensional arrays in wiring
C