ex14 initial

Makefile

@@ -1,6 +1,6 @@
 CFLAGS=-Wall -g
 
-all:	ex1 ex3 ex4 ex5 ex6 ex7 ex8 ex9 ex10 ex11 ex12 ex13
+all:	ex1 ex3 ex4 ex5 ex6 ex7 ex8 ex9 ex10 ex11 ex12 ex13 ex14
 
 
 clean:

ex14.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <ctype.h>
+
+//forward declarations, what?
+int can_print_it(char ch);
+void print_letters(char arg[]);
+
+void print_arguments(int argc, char *argv[]){
+  int i = 0;
+
+  for(i = 0; i < argc; i++){
+    print_letters(argv[i]);
+  }
+}
+
+void print_letters(char arg[]){
+  int i = 0;
+  for(i=0; arg[i] != '\0'; i++){
+    char ch = arg[i];
+    if(can_print_it(ch)){
+      printf("'%c' == %d ", ch, ch);
+    }
+  }
+  printf("\n");
+}
+
+int can_print_it(char ch)
+{
+  return isalpha(ch) || isblank(ch);
+}
+
+int main(int argc, char* argv[]){
+  print_arguments(argc, argv);
+  return 0;
+}