Add comment explaining strend()

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/lib.c b/lib/lib.c
index d11c600e..ceb1bc7d 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -393,6 +393,8 @@ int unescape(char c)
   return (idx == -1) ? 0 : to[idx];
 }
 
+// If string ends with suffix return pointer to start of suffix in string,
+// else NULL
 char *strend(char *str, char *suffix)
 {
   long a = strlen(str), b = strlen(suffix);