#ifndef UNISTD_H
#define UNISTD_H

#include "process.h"
#include "types.h"

void exit();
fd_t open(char *fn, uchar mode);
void close(fd_t fd);
int read(fd_t fd, void *buf, size_t n);
int write(fd_t fd, void *buf, size_t n);
void *sbrk(size_t n);
void start_process(struct process *proc);
void next_process();

#endif /* UNISTD_H */