From 8ac30a239d26a374b8f422227dddf8049d501239 Mon Sep 17 00:00:00 2001
From: Dan Buch <dan@meatballhat.com>
Date: Fri, 19 Apr 2024 20:53:48 -0400
Subject: [PATCH] Up through lcthw ex14

---
 lcthw/.ex14.argv |  4 ++++
 lcthw/.gitignore |  1 +
 lcthw/ex14.c     | 41 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+)
 create mode 100644 lcthw/.ex14.argv
 create mode 100644 lcthw/ex14.c

diff --git a/lcthw/.ex14.argv b/lcthw/.ex14.argv
new file mode 100644
index 0000000..c74db5b
--- /dev/null
+++ b/lcthw/.ex14.argv
@@ -0,0 +1,4 @@
+eggs
+legs
+pegs
+jegs
diff --git a/lcthw/.gitignore b/lcthw/.gitignore
index 29a77ad..8942676 100644
--- a/lcthw/.gitignore
+++ b/lcthw/.gitignore
@@ -7,3 +7,4 @@ ex10
 ex11
 ex12
 ex13
+ex14
diff --git a/lcthw/ex14.c b/lcthw/ex14.c
new file mode 100644
index 0000000..9cdfeee
--- /dev/null
+++ b/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;
+}