first commit

getopt/getopt.h

@@ -0,0 +1,18 @@
+#ifndef __USAGE_H__
+#define __USAGE_H__
+
+#include "takepic.h"
+#include <getopt.h>
+#include <stdarg.h>
+
+/*
+ * here are global variables and global data structures definition, like
+ * int val;
+ * enum{reset = 0, set};
+ */
+
+extern char *__progname;
+void usage(char *fmt, ...);
+void parse_args(int argc, char **argv);
+
+#endif // __USAGE_H__