#include <stdio.h>
#include <string.h>

#define  NAMELEN 30
void Greet ( char * name );

int main()
{
  char user[NAMELEN];
  
  printf("Who are you? ");
  scanf("%s",user);
  Greet(user);
  printf("%s\n",user);

  return 0;
}

/* print a simple greeting to the user */
void Greet ( char * name )
{
   strcat(name, "! How are ya?");
}