- /* Note that strcasestr() is a GNU extension, strstr() might be sufficient */
- if (strcasestr (notmuch_message_get_header (message, "to"), addr) != 0 ||
- strcasestr (notmuch_message_get_header (message, "cc"), addr) != 0)
+ if (strstr (notmuch_message_get_header (message, "to"), addr) != 0 ||
+ strstr (notmuch_message_get_header (message, "cc"), addr) != 0)