# include <stdio.h>

//
//  Program 10.1, Stephen Kochan, Programming in C.
//
int main ( void );
void concat ( char result[], const char str1[], int n1, const char str2[], int n2 );

int main ( void )
{
  const char s1[5] = { 'T', 'e', 's', 't', ' ' };
  const char s2[6] = { 'w', 'o', 'r', 'k', 's', '.' };
  char s3[11];
  int i;

  concat ( s3, s1, 5, s2, 6 );

  for ( i = 0; i < 11; i++ )
  {
    printf ( "%c", s3[i] );
  }
  printf ( "\n" );

  return 0;
}

void concat ( char result[], const char str1[], int n1, const char str2[], int n2 )
{
  int i;
  int j;

  for ( i = 0; i < n1; i++ )
  {
    result[i] = str1[i];
  }

  for ( j = 0; j < n2; j++ )
  {
    result[n1+j] = str2[j];
  }

  return;
}