btrfs-progs: move prefixcmp helper to utils

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/help.c b/help.c
index b5718049..19b0d357 100644
--- a/help.c
+++ b/help.c
@@ -359,12 +359,3 @@ void help_command_group(const struct cmd_group *grp, int argc, char **argv)
 	usage_command_group(grp, full, 0);
 }
 
-int prefixcmp(const char *str, const char *prefix)
-{
-	for (; ; str++, prefix++)
-		if (!*prefix)
-			return 0;
-		else if (*str != *prefix)
-			return (unsigned char)*prefix - (unsigned char)*str;
-}
-