jos/kern/ansi.h

#ifndef _ANSI_H_
#define _ANSI_H_

#include <inc/types.h>

struct AttrState {
	uint8_t cattrs;
	uint8_t attrs;
	enum {
		NORMAL,
		ESC,
		BRACKET,
		COLOR_FG,
		COLOR
	} state;
};

void ansi_step(void (*putcf)(int), int c, struct AttrState* s);

#endif