printf output with color
#include <stdio.h>
#define KNRM "x1B[0m"
#define KRED "x1B[31m"
#define KGRN "x1B[32m"
#define KYEL "x1B[33m"
#define KBLU "x1B[34m"
#define KMAG "x1B[35m"
#define KCYN "x1B[36m"
#define KWHT "x1B[37m"
int main()
{
printf("%sredn", KRED);
printf("%sgreenn", KGRN);
printf("%syellown", KYEL);
printf("%sbluen", KBLU);
printf("%smagentan", KMAG);
printf("%scyann", KCYN);
printf("%swhiten", KWHT);
printf("%snormaln", KNRM);
return 0;
}