#ifndef TIMER_H#define TIMER_H #include <signal.h>#include <stdbool.h> #include "block.h" #define TIMER_SIGNAL SIGALRM typedef struct {    unsigned int time;    const unsigned int tick;    const unsigned int reset_value;} timer; timer timer_new(const block *const blocks, const unsigned short block_count);int timer_arm(timer *const timer);bool timer_must_run_block(const timer *const timer, const block *const block); #endif  // TIMER_H