1 files changed, 29 insertions, 0 deletions
diff --git a/ch1/counter.c b/ch1/counter.c
new file mode 100644
index 0000000..a1b9927
--- /dev/null
+++ b/ch1/counter.c
@@ -0,0 +1,29 @@
+#include<stdio.h>
+
+/* 
+ * Count characters in input; 1st version 
+ */
+//main() {
+//    long nc;
+//
+//    nc = 0;
+//
+//    while (getchar() != EOF)
+//        ++nc;
+//
+//
+//    printf("%ld\n", nc);
+//}
+
+/*
+ * Count characters in input; 2nd version
+ */
+main() {
+    long nc;
+
+
+    for (nc = 0; getchar() != EOF; ++nc)
+        ;
+
+    printf("%ld\n", nc);
+}