Up through lcthw ex9

lcthw/.gitignore

@@ -2,3 +2,4 @@ ex1
 ex3
 ex7
 ex8
+ex9

lcthw/Makefile

@@ -1,6 +1,6 @@
 CFLAGS ?= -Wall -g
 GDBRUN = gdb --batch --ex run --ex bt --ex q --args
-BUILD_TARGETS = ex1 ex3 ex7 ex8
+BUILD_TARGETS = ex1 ex3 ex7 ex8 ex9
 
 .PHONY: all
 all: build test

lcthw/ex9.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+	int i = 0;
+	while (i < 25) {
+		printf("%d", i);
+		i++;
+	}
+
+	// need this to add a final newline
+	printf("\n");
+
+	return 0;
+}