if (getpwuid_r(usbuf->uid, &pwd, pwd_buffer, sizeof pwd_buffer, &result) == 0) {
#endif // HAVE_GETPWUID_R
snprintf(buf, sizeof buf, "%s@%s", pwd.pw_name, config.c_fqdn);
if (getpwuid_r(usbuf->uid, &pwd, pwd_buffer, sizeof pwd_buffer, &result) == 0) {
#endif // HAVE_GETPWUID_R
snprintf(buf, sizeof buf, "%s@%s", pwd.pw_name, config.c_fqdn);