#include <stdlib.h>#include "tty.h"#include "ir.h"#include "cmd.h"#include "ctrl.h"int main() {        int fd = ttys_init(0);	if (fd < 0) {		return -1;	}	ctrl_init(fd);	char c = IR;	unsigned char buf[10];	for (;;) {		if (write(fd, &c, 1) != 1) {			fprintf(stderr, "error write\n");			return -1;		}		int n;		if ((n = read(fd, &buf, sizeof(buf))) != 5) {			fprintf(stderr, "error read\n");			return -1;		}		//printf("%lf\n", ir_measure(buf[0]));		printf("%hhx: %hhu\n", buf[0], buf[2]);		sleep(1);	}	return 0;}