Add smdh parsing (errors out for some reason)

source/unicode.c

@@ -29,4 +29,14 @@ void printu(u16 *input)
     for (u16 i = 0; i < buf_len; i++) buf[i] = input[i];
     printf("%ls\n", buf);
     free(buf);
+}
+
+u16 *strucat(u16 *destination, const u16 *source)
+{
+    ssize_t dest_len = strulen(destination, 0x106);
+
+    ssize_t source_len = strulen(source, 0x106);
+
+    memcpy(&destination[dest_len], source, source_len * sizeof(u16));
+    return destination;
 }