{{keywords>wiki library source code example reference}}
====== isascii =====
<code cpp>
    int isascii(int char);
</code>

a macro that tests if a char a ASCII char (0-127) is
===== cpp Sourcecode Example =====
<code cpp>
/* 
 * isascii example code
 * http://code-reference.com/cpp/cctype/isascii 
 */
#include <iostream> /* including standard library */
#include <string> 
#include <cctype>
 
using namespace std;
int main ( void )
{
  int i;
  string str="Test ÖÄ%1";
  for (i=0; i <= 11;i++)
    {
     if ( isascii(str) != 0 )
      {
       cout << "character" << i << " isascii" << endl;
      }
    }
  return 0;
}

</code>
==== output ====
    output:
    character 0 isascii
    character 1 isascii
    character 2 isascii
    character 3 isascii
    character 4 isascii
    character 9 isascii
    character 10 isascii
    character 11 isascii