#include "sting.h"

#include "stdafx.h"

#include <stdio.h>

void main( void )

{

  char string[80];

  strcpy( string, "Hello world from " );

  strcat( string, "strcpy " );

  strcat( string, "and " );

  strcat( string, "strcat!" );

  printf( "String = %s\n", string );

}

编译后出现:

E:\vcprogram\test1\test1.cpp(11) : error C2065: ’strcpy’ : undeclared identifier
      E:\vcprogram\test1\test1.cpp(12) : error C2065: ’strcat’ : undeclared identifier