Language Ccpp Cref Examples Strcpy.c

/ *
 * Purpose: Program to demonstrate the 'strcpy' function.
 * Author:  M J Leslie
 * Date:    12-Mar-94
*/

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

main()
{
  char text1[10]="martin";		/* string buffer	*/
  char text2[20]="leslie";		/* string buffer	*/

  printf (" original string contents are: %s\n", text1);
					/* Copy text2 into text1. 
					   If text1 is smaller that text2
					   it will probably overwrite
					   something!		*/
  //strcpy(text1, text2); //unsafe.
  *text1 = 0; //should check that sizeof(text1)>0
  strncat(text1, text2, sizeof(text1)); //safer. 
  printf (" new string contents are: %s\n", text1);

  strcpy(text1, "linux is picky about its friends"); //this does not end well.
  printf (" final string contents are: %s\n", text1);

}