Question

The following code shows a segmentation error. How to solve the problem? What is the problem with the code?

#include <stdio.h>

void stcp (char *, char *);

int
main ()
{
  char *s = "This is first string";
  char *t = "string to be copied";
  stcp (s, t);
  printf ("%s", s);
  getch ();
}

void
stcp (char *s, char *t)
{
  while ((*s++ = *t++) != '\0');

}

Answer 1

A string literal is constby default. To make it un-const, you must make it an array:

char s[] = "this is my string";
char t[] = "another string";