mkdir(tempdir, 0700);
snprintf(save_to, sizeof save_to, "%s/%04x.%s", tempdir, ++att_seq, filename);
save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
rv = system(cmd);
mkdir(tempdir, 0700);
snprintf(save_to, sizeof save_to, "%s/%04x.%s", tempdir, ++att_seq, filename);
save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
rv = system(cmd);