Fix examples (they all compile now), and init parent list in list

example.

ccan/alignof/_info.c

@@ -16,7 +16,8 @@
  *
  * Example:
  *	#include <stdio.h>
- *	#include "alignof/alignof.h"
+ *	#include <stdlib.h>
+ *	#include <ccan/alignof/alignof.h>
  *
  *	int main(int argc, char *argv[])
  *	{

ccan/alloc/_info.c

@@ -20,14 +20,17 @@
  *	#include <unistd.h>
  *	#include <sys/types.h>
  *	#include <err.h>
- *	#include "alloc/alloc.h"
+ *	#include <sys/stat.h>
+ *	#include <fcntl.h>
+ *	#include <string.h>
+ *	#include <ccan/alloc/alloc.h>
  *
  *	static void usage(const char *name)
  *	{
  *		errx(1, "Usage: %s --create <mapfile>\n"
  *		     " %s --check <mapfile>\n"
  *		     " %s --alloc <mapfile>\n"
- *		     " %s --free=<offset> <mapfile>\n", name, name, name);
+ *		     " %s --free=<offset> <mapfile>\n", name, name, name, name);
  *	}
  *
  *	// Create a memory mapped file, and allocate from within it

ccan/build_assert/_info.c

@@ -18,6 +18,14 @@
  * you would catch such changes in your code like so:
  *
  * Example:
+ *	#include <stddef.h>
+ *	#include <ccan/build_assert/build_assert.h>
+ *
+ *	struct foo {
+ *		char string[5];
+ *		int x;
+ *	};
+ *
  *	char *foo_string(struct foo *foo)
  *	{
  *		// This trick requires that the string be first in the structure

ccan/container_of/_info.c

@@ -14,8 +14,14 @@
  * callback.
  *
  * Example:
- *	struct info
- *	{
+ *	#include <stdio.h>
+ *	#include <ccan/container_of/container_of.h>
+ *
+ *	struct timer {
+ *		void *members;
+ *	};
+ *
+ *	struct info {
  *		int my_stuff;
  *		struct timer timer;
  *	};
@@ -31,7 +37,9 @@
  *		struct info info = { .my_stuff = 1 };
  *
  *		register_timer(&info.timer);
- *		...
+ *		// ...
+ *		return 0;
+ *	}
  *
  * Licence: LGPL (2 or any later version)
  */

ccan/grab_file/_info.c

@@ -8,10 +8,11 @@
  * This contains simple functions for getting the contents of a file.
  *
  * Example:
- *	#include "grab_file/grab_file.h"
  *	#include <err.h>
  *	#include <stdio.h>
  *	#include <string.h>
+ *	#include <ccan/grab_file/grab_file.h>
+ *	#include <ccan/talloc/talloc.h>	// For talloc_free()
  *
  *	int main(int argc, char *argv[])
  *	{

ccan/list/_info.c

@@ -12,7 +12,9 @@
  *
  * Example:
  *	#include <err.h>
- *	#include "list/list.h"
+ *	#include <stdio.h>
+ *	#include <stdlib.h>
+ *	#include <ccan/list/list.h>
  *
  *	struct parent {
  *		const char *name;
@@ -35,7 +37,8 @@
  *			errx(1, "Usage: %s parent children...", argv[0]);
  *
  *		p.name = argv[1];
- *		for (i = 2; i < argc, i++) {
+ *		list_head_init(&p.children);
+ *		for (i = 2; i < argc; i++) {
  *			c = malloc(sizeof(*c));
  *			c->name = argv[i];
  *			list_add(&p.children, &c->list);

ccan/noerr/_info.c

@@ -14,6 +14,10 @@
  *	#include <sys/types.h>
  *	#include <sys/stat.h>
  *	#include <fcntl.h>
+ *	#include <stdbool.h>
+ *	#include <string.h>
+ *	#include <errno.h>
+ *	#include <ccan/noerr/noerr.h>
  *
  *	bool write_string_to_file(const char *file, const char *string)
  *	{

ccan/str/_info.c

@@ -9,7 +9,8 @@
  * the standard string.h.
  *
  * Example:
- *	#include "str/str.h"
+ *	#include <stdio.h>
+ *	#include <ccan/str/str.h>
  *
  *	int main(int argc, char *argv[])
  *	{

ccan/str_talloc/_info.c

@@ -10,9 +10,9 @@
  * string utilities in "str.h".
  *
  * Example:
- *	#include "str_talloc/str_talloc.h"
- *	#include "talloc/talloc.h"
- *	#include "grab_file/grab_file.h"
+ *	#include <ccan/str_talloc/str_talloc.h>
+ *	#include <ccan/talloc/talloc.h>
+ *	#include <ccan/grab_file/grab_file.h>
  *	#include <err.h>
  *	
  *	// Dumb demo program to double-linespace a file.

ccan/talloc/_info.c

@@ -31,9 +31,9 @@
  *	#include <stdio.h>
  *	#include <stdarg.h>
  *	#include <err.h>
- *	#include "talloc/talloc.h"
+ *	#include <ccan/talloc/talloc.h>
  *
- *	// A structure containing a popened comman.
+ *	// A structure containing a popened command.
  *	struct command
  *	{
  *		FILE *f;
@@ -79,7 +79,7 @@
  *		struct command *cmd;
  *
  *		if (argc != 2)
- *			errx(1, "Usage: %s <command>\n");
+ *			errx(1, "Usage: %s <command>\n", argv[0]);
  *
  *		cmd = open_output_cmd(NULL, "%s hello", argv[1]);
  *		if (!cmd)

ccan/tap/_info.c

@@ -20,7 +20,7 @@
  *
  * Example:
  *	#include <string.h>
- *	#include "tap/tap.h"
+ *	#include <ccan/tap/tap.h>
  *
  *	// Run some simple (but overly chatty) tests on strcmp().
  *	int main(int argc, char *argv[])