cleaning things up a bit

gowrikumar/src/00-sizeof.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+
+int array[] = {23, 34, 12, 17, 204, 99, 16};
+#define TOTAL_ELEMENTS sizeof(array) / sizeof(array[0])
+
+
+int main()
+{
+    int d;
+
+#ifdef DEBUG
+    printf("sizeof(array) = %d\n", TOTAL_ELEMENTS);
+#endif
+
+    for (d = 0; d < TOTAL_ELEMENTS ; d++)
+        printf("%d\n", array[d]);
+
+    return 0;
+}
+
+/* vim:filetype=c:fileencoding=utf-8
+ */

gowrikumar/src/02-dowhile.c

@@ -0,0 +1,20 @@
+/**
+ * :author: Dan Buch (daniel.buch@gmail.com)
+ */
+
+#include <stdio.h>
+
+int main()
+{
+    int i = 1;
+    do
+    {
+        printf("%d\n", i);
+    } while(++i < 15);
+    return 0;
+}
+
+
+
+/* vim:filetype=c:fileencoding=utf-8
+ */

gowrikumar/src/03-stdoutbuf.c

@@ -0,0 +1,22 @@
+/**
+ * :author: Dan Buch (daniel.buch@gmail.com)
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+
+int main()
+{
+    printf("(Hit ^C to stop the madness.)\n");
+    while(1)
+    {
+        fprintf(stdout, "hello-out ");
+        fprintf(stderr, "hello-err ");
+        sleep(1);
+    }
+    return 0;
+}
+
+
+/* vim:filetype=c:fileencoding=utf-8
+ */

gowrikumar/src/03b-stdoutbuf.c

@@ -0,0 +1,23 @@
+/**
+ * :author: Dan Buch (daniel.buch@gmail.com)
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+
+int main()
+{
+    printf("This time we'll include \\n!\n");
+    printf("(Hit ^C to stop the madness.)\n");
+    while(1)
+    {
+        fprintf(stdout, "hello-out\n");
+        fprintf(stderr, "hello-err\n");
+        sleep(1);
+    }
+    return 0;
+}
+
+
+/* vim:filetype=c:fileencoding=utf-8
+ */

gowrikumar/src/03c-stdoutbuf.c

@@ -0,0 +1,24 @@
+/**
+ * :author: Dan Buch (daniel.buch@gmail.com)
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+
+int main()
+{
+    printf("This time we'll flush stdout!\n");
+    printf("(Hit ^C to stop the madness.)\n");
+    while(1)
+    {
+        fprintf(stdout, "hello-out ");
+        fprintf(stderr, "hello-err ");
+        fflush(stdout);
+        sleep(1);
+    }
+    return 0;
+}
+
+
+/* vim:filetype=c:fileencoding=utf-8
+ */

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