cleaning things up a bit

.gitignore

@@ -1,5 +1 @@
-gowrikumar/00-sizeof
+gowrikumar/bin
-gowrikumar/02-dowhile
-gowrikumar/03-stdoutbuf
-gowrikumar/03b-stdoutbuf
-gowrikumar/03c-stdoutbuf

gowrikumar/Makefile

@@ -1,7 +1,10 @@
-# puzzles from http://www.gowrikumar.com/c/
+BINDIR := ./bin
+
+export BINDIR
 
 
-all: $(patsubst %.c,%,$(wildcard *.c))
+all:
+	cd src && $(MAKE)
 
 
 .PHONY: all

gowrikumar/src/04-macrodef.c

@@ -0,0 +1,19 @@
+/**
+ * :author: Dan Buch (daniel.buch@gmail.com)
+ */
+
+#include <stdio.h>
+
+#define f(a, b) a##b
+#define g(a) #a
+#define h(a) g(a)
+
+int main()
+{
+    printf("%s\n", h(f(1, 2)));
+    printf("%s\n", g(f(1, 2)));
+    return 0;
+}
+
+/* vim:filetype=c:fileencoding=utf-8
+ */

gowrikumar/src/Makefile

@@ -0,0 +1,14 @@
+# puzzles from http://www.gowrikumar.com/c/
+
+BINDIR := ../bin
+
+ALL_BIN := $(patsubst %.c,$(BINDIR)/%,$(wildcard *.c))
+
+
+$(BINDIR)/%: %.c
+	$(CC) -o $@ $<
+
+all: $(ALL_BIN)
+
+
+.PHONY: all