output of the programme and i dont know where is error in this code

Question

#include <stdio.h>
void fun(char **);
int main()
{
     char*argv[]={"ab", "cd", "et'', "gh"};
     fun(argv);
     return 0;
}
void fun(char **p)
{
char *t;
t = (p+=sizeof(int))[-1];
printf("%s\n", t);
}

Answer 1

#include <stdio.h>
void fun (char **);
int main ()
{
  char *argv[] = { "ab", "cd", "et", "gh" }; // You had error on this line
  fun (argv);
  return 0;
}

void fun (char **p)
{
  char *t;
  t = (p += sizeof (int))[-1];
  printf ("%s\n", t);
}