From 39c0cbcc70aff47e17107826aa76cb525c83b122 Mon Sep 17 00:00:00 2001
From: Adam Carpenter <gitlab@53hor.net>
Date: Tue, 9 Jul 2019 16:00:48 -0400
Subject: ch2

---
 ch1/wc.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 ch1/wc.c

(limited to 'ch1/wc.c')

diff --git a/ch1/wc.c b/ch1/wc.c
new file mode 100644
index 0000000..4a5007d
--- /dev/null
+++ b/ch1/wc.c
@@ -0,0 +1,29 @@
+#include<stdio.h>
+
+#define     IN      1   // inside a word
+#define     OUT     0   // outside a word
+
+/*
+ * Count lines, words, and characters in input.
+ */
+main() {
+    int c, nl, nw, nc, state;
+
+    state = OUT;
+    nl = nw = nc = 0;
+
+    while ((c = getchar()) != EOF) {
+        ++nc;
+        
+        if (c == '\n')
+            ++nl;
+        if (c == ' ' || c == '\n' || c == '\t')
+            state = OUT;
+        else if (state == OUT) {
+            state = IN;
+            ++nw;
+        }
+    }
+
+    printf("%d %d %d\n", nl, nw, nc);
+}
-- 
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