Thread: Segmentation Fault (core dumped) in simple c program !

Hello there,

I am getting the error:

Code:

Segmentation fault (core dumped)

error in a simple c program. The code is:

Code:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char*
encrypt(char *s)
{
  int i, l = strlen(s);
  for(i = 0; i < l; i++)
      s[i] -= 15;
  
  return s;
}


int main(int argc, char *argv[])
{
    char* test = "This is simple encryption.";
    
    printf("%s", encrypt(test));
  return 0;
}

Please help.