From 329fada630517195a472da703d19d7eced62c5a8 Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@firemail.cc>
Date: Wed, 3 May 2023 16:21:54 +0530
Subject: 6.2: initial commit

this version keeps the word count
---
 6.2/getch.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 6.2/getch.c

(limited to '6.2/getch.c')

diff --git a/6.2/getch.c b/6.2/getch.c
new file mode 100644
index 0000000..2b86efe
--- /dev/null
+++ b/6.2/getch.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <error.h>
+#include <errno.h>
+#include "getch.h"
+
+#define MAXBUFF	100
+
+char buff[MAXBUFF];
+static size_t top;
+
+void ungetch(char c)
+{
+	if (top < MAXBUFF)
+		buff[top++] = c;
+	else
+		error(EXIT_FAILURE, ENOBUFS , "getch");
+}
+
+char getch(void)
+{
+	return (top > 0) ? buff[--top] : getchar();
+}
-- 
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