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/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);
+}

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);
+}

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);
+}