Move the ask name code into its own function and file

# Conflicts:
#    main.c

askname.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <string.h>
+void askname(char *first, char *last)
+{
+    printf("Enter your first name: ");
+    fgets(first, 255, stdin);
+    first[strlen(first)-1] = '\0'; /* remove the newline at the end */
+    printf("Now enter your last name: ");
+    gets(last); /* buffer overflow? what's that? */
+}

askname.h

@@ -0,0 +1 @@
+void askname(char *first, char *last);

main.c

@@ -1,13 +1,9 @@
 #include <stdio.h>
-#include <string.h>
+#include "askname.h"
 int main(int argc, char **argv)
 {
     char first[255], last[255];
-    printf("Enter your first name: ");
-    fgets(first, 255, stdin);
-    first[strlen(first)-1] = '\0'; /* remove the newline at the end */
-    printf("Now enter your last name: ");
-    gets(last); /* buffer overflow? what's that? */
-    printf("Hello %s %s!\n", first, last);
+    askname(first, last);
+    printf("Hello, %s %s!\n", first, last);
     return 0;
 }