#include <stdlib.h>
#include <stdio.h>
#include <string.h>

static const char *confs[] = {
	"dtuar",
	"dtuart",
	"dtuartx",
	NULL
};

int main(void) {
	int i;
	for (i = 0; confs[i]; i++) {
		const char *conf = confs[i];
		printf("%s\t%d\t%d\n", conf, strncmp(conf, "dtuart", 5),  strncmp(conf, "dtuart", 6));
	}
	return 0;
}