Because the compiler can check types with a struct copy and memcpy() cannot.

........

Merged revisions 380856 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@380858 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/confbridge/conf_config_parser.c

@@ -1355,7 +1355,7 @@ error:
 
 static void conf_user_profile_copy(struct user_profile *dst, struct user_profile *src)
 {
-	memcpy(dst, src, sizeof(*dst));
+	*dst = *src;
 }
 
 const struct user_profile *conf_find_user_profile(struct ast_channel *chan, const char *user_profile_name, struct user_profile *result)