* #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;
* 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)