#ifndef VERSION_ETC_H
# define VERSION_ETC_H 1
+# include <stdarg.h>
# include <stdio.h>
-extern char *version_etc_copyright;
+extern const char *version_etc_copyright;
-void version_etc (FILE *stream,
- const char *command_name, const char *package,
- const char *version, const char *writen_by);
+extern void version_etc_va (FILE *stream,
+ const char *command_name, const char *package,
+ const char *version, va_list authors);
+
+extern void version_etc (FILE *stream,
+ const char *command_name, const char *package,
+ const char *version,
+ /* const char *author1, ...*/ ...);
#endif /* VERSION_ETC_H */