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);
}

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