str copy in c code example

Example 1: c copy string

char *str = "Hello World!";
char copy[64];		// or 'char *copy = malloc(strlen(str) + 1);'
strcpy(copy, str);

Example 2: strcpy

/* strcpy example */
#include <stdio.h>
#include <string.h>

int main ()
{
  char str1[]="Sample string";
  char str2[40];
  char str3[40];
  strcpy (str2,str1);//str1 copies to str2
  strcpy (str3,"copy successful");
  printf ("str1: %s\nstr2: %s\nstr3: %s\n",str1,str2,str3);
  return 0;
}