/*

* greeting.c

* This program reads a first name and a last name and prints a greeting.

*/

#include <stdio.h>

#include <string.h>

#define MAX_NAME 80

int main ()

{

char first_name[MAX_NAME];

char last_name[MAX_NAME];

char *full_name;

char *greeting;

/* Read the first name and the last name. */

printf ("Please enter your first name: ");

scanf ("%s", first_name);

printf ("Please enter your last name: ");

scanf ("%s", last_name);

/* Allocate memory for the full name.

Note that we allocate a character for the blank between the first and

last names, as well as for the terminating NULL. */

full_name = (char *) malloc (sizeof(char) *

(strlen(first_name) + strlen(last_name) + 2));

/* Concatenate the first and last name. */

strcpy (full_name, first_name);

strcat (full_name, " ");

strcat (full_name, last_name);

/* Allocate sufficient memory for the greeting. */

greeting = (char *) malloc (sizeof(char) * (strlen(full_name) + 60));

/* Create the greeting. */

sprintf (greeting, "Welcome, %s. Your name is %d characters long.",

full_name, strlen(full_name));

/* Print the greeting. */

printf ("\n<<< %s >>>\n", greeting);

/* Free memory. */

free (full_name);

free (greeting);

return (0);

}