HelenOS sources

ARG_TYPE_STRING_OPTIONAL  197 kernel/generic/src/console/cmd.c 		.type = ARG_TYPE_STRING_OPTIONAL,
ARG_TYPE_STRING_OPTIONAL  457 kernel/generic/src/console/cmd.c 	.type = ARG_TYPE_STRING_OPTIONAL,
ARG_TYPE_STRING_OPTIONAL  471 kernel/generic/src/console/cmd.c 	.type = ARG_TYPE_STRING_OPTIONAL,
ARG_TYPE_STRING_OPTIONAL  727 kernel/generic/src/console/kconsole.c 			if (cmd->argv[i].type == ARG_TYPE_STRING_OPTIONAL) {
ARG_TYPE_STRING_OPTIONAL  740 kernel/generic/src/console/kconsole.c 		case ARG_TYPE_STRING_OPTIONAL:
ARG_TYPE_STRING_OPTIONAL  318 kernel/generic/src/interrupt/interrupt.c 	.type = ARG_TYPE_STRING_OPTIONAL,