Up through lcthw ex14

lcthw/.ex14.argv

@@ -0,0 +1,4 @@
+eggs
+legs
+pegs
+jegs

lcthw/.gitignore

@@ -7,3 +7,4 @@ ex10
 ex11
 ex12
 ex13
+ex14

lcthw/ex14.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <ctype.h>
+
+// forward declarations
+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((int)ch) || isblank((int)ch);
+}
+
+int main(int argc, char *argv[])
+{
+	print_arguments(argc, argv);
+	return 0;
+}