From e67db443121ced2c35b32d22dc5ce23065f45740 Mon Sep 17 00:00:00 2001
From: Reina Harrington-Affine <reinakobayashi1217@gmail.com>
Date: Thu, 23 Apr 2026 22:53:31 +0000
Subject: [PATCH] Created KNR Redux directory for re-visiting old lessons to
 warm back up. Implemented a solution for 1.8 and two solutions for 1.9.

---
 KNR Redux/a.out     | Bin 0 -> 15520 bytes
 KNR Redux/ex1-8.c   |  25 +++++++++++++++++++++++++
 KNR Redux/ex1-9-2.c |  22 ++++++++++++++++++++++
 KNR Redux/ex1-9.c   |  25 +++++++++++++++++++++++++
 4 files changed, 72 insertions(+)
 create mode 100755 KNR Redux/a.out
 create mode 100644 KNR Redux/ex1-8.c
 create mode 100644 KNR Redux/ex1-9-2.c
 create mode 100644 KNR Redux/ex1-9.c

diff --git a/KNR Redux/a.out b/KNR Redux/a.out
new file mode 100755
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GIT binary patch
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diff --git a/KNR Redux/ex1-8.c b/KNR Redux/ex1-8.c
new file mode 100644
index 0000000..6bc8f5a
--- /dev/null
+++ b/KNR Redux/ex1-8.c	
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(){
+	int c = 0;
+	int whitespace = 0;
+
+	while((c = getchar()) != EOF)
+		switch(c){
+			case '\n':
+				++ whitespace;
+				break;
+			case '\t':
+				++whitespace;
+				break;
+			case ' ':
+				++whitespace;
+				break;
+			break;
+		}
+
+	printf("%d %c", whitespace, '\n');
+
+exit(0);
+}
diff --git a/KNR Redux/ex1-9-2.c b/KNR Redux/ex1-9-2.c
new file mode 100644
index 0000000..35d6920
--- /dev/null
+++ b/KNR Redux/ex1-9-2.c	
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(){
+	int c = 0;
+	_Bool lastWS = 0;
+
+	while((c = getchar()) != EOF){
+		if(c == '\t' || c == ' '){
+			if(lastWS == 0){
+				lastWS = 1;
+				putchar(c);
+			}
+		}
+		else{
+			lastWS = 0;
+			putchar(c);
+		}
+	}
+	putchar('\n');
+	exit(0);
+}
diff --git a/KNR Redux/ex1-9.c b/KNR Redux/ex1-9.c
new file mode 100644
index 0000000..fd3aa41
--- /dev/null
+++ b/KNR Redux/ex1-9.c	
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(){
+	int c = 0;
+	_Bool lastWS = 0;
+
+	while((c = getchar()) != EOF){
+		//Check if the current character is a whitespace
+		if(c == '\t'|| c == ' '){
+			if(lastWS == 0){
+				//If the last character was not also WS, set lastWS 1 and print
+				lastWS = 1;
+				putchar(c);
+			}//If c is WS and last was WS, statement fails.
+		}
+		else{
+			//If not WS, set lastWS 0 and print.
+			lastWS = 0;
+			putchar(c);
+		}
+	}
+	putchar('\n');
+	exit(0);
+}