tatic void print_help(void)
{
	printf("options:\n");
	printf(" -h ......................... print this text.\n");
	printf(" -t TAC ..................... set TAC (default: %s)\n", DEFAULT_TAC);
	printf(" -e eimId ................... set preferred eIM (in case the eUICC has multiple)\n");
	printf(" -r N ....................... set reader number (default: %d)\n", DEFAULT_READER_NUMBER);
	printf(" -c N ....................... set logical channel number (default: %d)\n", DEFAULT_CHANNEL_NUMBER);
	printf(" -f PATH .................... set initial eIM configuration\n");
	printf(" -m ......................... reset eUICC memory\n");
	printf(" --refresh-flag.............. Make eUICC send a CAT refresh after switching profile\n");
	printf(" --execute-fallback-mechanism Trigger enabling of fallback profile\n");
	printf(" --return-from-fallback...... Trigger return from fallback profile to previous profile\n");
	printf(" -n PATH .................... path to nvstate file (default: %s)\n", DEFAULT_NVSTATE_PATH);
	printf(" -y NUM ..................... number of retries for ESipa requests (default: %u)\n",
	       DEFAULT_ESIPA_REQ_RETRIES);
	printf(" -a ......................... ask end user for consent\n");
	printf(" -C ......................... CA (Certificate Authority) Bundle file\n");
	printf(" -S ......................... disable HTTPS\n");
	printf(" -I ......................... disable SSL certificate verification (insecure)\n");
	printf(" -E ......................... emulate IoT eUICC (compatibility mode to use consumer eUICCs)\n");
	printf(" -1 ......................... force the IPAd to process only one eUICC package (debug, use with caution)\n");
}