#pragma once
#include <sys/types.h>
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
uid_t getuid(void);
uid_t geteuid(void);
gid_t getgid(void);
gid_t getegid(void);
int fsync(int fd);

int fork(void);
void _exit(int status);
pid_t setsid(void);
int chdir(const char* path);
int open(const char* path, int flags, ...);
int dup2(int oldfd, int newfd);
int close(int fd);
int daemon(int nochdir, int noclose);

pid_t getpid(void);
ssize_t read(int fd, void* buffer, size_t count);