new file

diff --git a/lib/userspec.h b/lib/userspec.h
new file mode 100644 (file)
index 0000000..8f01d64
--- /dev/null
+++ b/lib/userspec.h
@@ -0,0 +1,10 @@
+#ifndef USERSPEC_H
+# define USERSPEC_H 1
+
+# include <stddef.h>
+
+const char *
+parse_user_spec (const char *spec_arg, uid_t *uid, gid_t *gid,
+                char **username_arg, char **groupname_arg);
+
+#endif