From e2959275b628151f64ce89ee2f5a36fa20c9778b Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Tue, 18 Aug 2020 14:12:34 -0600
Subject: [PATCH 1/2] multicall: add ability for applets to specify a manpage
 reference

---
 cmd/multicall-options.c | 3 +++
 cmd/multicall.h         | 1 +
 2 files changed, 4 insertions(+)

diff --git a/cmd/multicall-options.c b/cmd/multicall-options.c
index 9037264..0c7597a 100644
--- a/cmd/multicall-options.c
+++ b/cmd/multicall-options.c
@@ -62,6 +62,9 @@ generic_usage(const struct if_applet *applet, int result)
 		}
 	}
 
+	if (applet->manpage != NULL)
+		fprintf(stderr, "\nFor more information: man %s\n", applet->manpage);
+
 	exit(result);
 }
 
diff --git a/cmd/multicall.h b/cmd/multicall.h
index 23cb836..0843580 100644
--- a/cmd/multicall.h
+++ b/cmd/multicall.h
@@ -43,6 +43,7 @@ struct if_applet {
 	const char *name;
 	const char *desc;
 	const char *usage;
+	const char *manpage;
 	int (*const main)(int argc, char *argv[]);
 	const struct if_option_group *groups[16];
 };

From 520b831bdf8f7a510be6853e242c8dbb173f53f3 Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Tue, 18 Aug 2020 14:14:33 -0600
Subject: [PATCH 2/2] cmd: add manpage xrefs where we have manpages already

---
 cmd/ifquery.c  | 1 +
 cmd/ifupdown.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/cmd/ifquery.c b/cmd/ifquery.c
index 0612823..9bc0b9d 100644
--- a/cmd/ifquery.c
+++ b/cmd/ifquery.c
@@ -329,5 +329,6 @@ struct if_applet ifquery_applet = {
 	.desc = "query interface configuration",
 	.main = ifquery_main,
 	.usage = "ifquery [options] <interfaces>\n  ifquery [options] --list",
+	.manpage = "8 ifquery",
 	.groups = { &global_option_group, &match_option_group, &exec_option_group, &local_option_group },
 };
diff --git a/cmd/ifupdown.c b/cmd/ifupdown.c
index c1bce3a..0fa7e29 100644
--- a/cmd/ifupdown.c
+++ b/cmd/ifupdown.c
@@ -239,6 +239,7 @@ struct if_applet ifup_applet = {
 	.desc = "bring interfaces up",
 	.main = ifupdown_main,
 	.usage = "ifup [options] <interfaces>",
+	.manpage = "8 ifup",
 	.groups = { &global_option_group, &match_option_group, &exec_option_group, },
 };
 
@@ -247,5 +248,6 @@ struct if_applet ifdown_applet = {
 	.desc = "take interfaces down",
 	.main = ifupdown_main,
 	.usage = "ifdown [options] <interfaces>",
+	.manpage = "8 ifdown",
 	.groups = { &global_option_group, &match_option_group, &exec_option_group, },
 };