/* 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)
/* 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)