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cons: improve help messages

--- a/cons.c

+++ b/cons.c

@@ -8,8 +8,6 @@

 typedef struct Cmd	Cmd;

-Cmd cmdtab[];

-

 struct Cmd {

 	char	*name;

 	char	*sub;

@@ -119,24 +117,35 @@

 }		

 static void

-help(int fd, char **ap, int na)

+help(int fd, char**, int)

 {

-	Cmd *c;

-	int i;

-

-	for(c = cmdtab; c->name != nil; c++){

-		if(na == 0 || strcmp(ap[0], c->name) == 0){

-			if(c->sub == nil)

-				fprint(fd, "%s", c->name);

-			else

-				fprint(fd, "%s %s", c->name, c->sub);

-			for(i = 0; i < c->minarg; i++)

-				fprint(fd, " a%d", i);

-			for(i = c->minarg; i < c->maxarg; i++)

-				fprint(fd, " [a%d]", i);

-			fprint(fd, "\n");

-		}

-	}

+	char *msg =

+		"help\n"

+		"	show this help"

+		"sync\n"

+		"	flush all p[ending writes to disk\n"

+		"snap name [new]\n"

+		"	create or update a new snapshot\n"

+		"check\n"

+		"	run a consistency check on the file system\n"

+		"users\n"

+		"	reload user table from /adm/users in the main snap\n"

+		"show\n"

+		"	show debug debug information, the following dumps\n"

+		"	are supported:\n"

+		"	cache\n"

+		"		the contents of the in-memory cache\n"

+		"	tree [name]\n"

+		"		the contents of the tree associated with a\n"

+		"		snapshot. The special name 'snap' shows the\n"

+		"		snapshot tree\n"

+		"	snap\n"

+		"		the summary of the existing snapshots\n"

+		"	fid\n"

+		"		the summary of open fids\n"

+		"	users\n"

+		"		the known user file\n";

+	fprint(fd, "%s", msg);

 }

 Cmd cmdtab[] = {