#ifndef UNISTD_H_
#define UNISTD_H_

#include <stddef.h>
#include <sys/types.h>

extern int open(const char *path, int flags);
extern int close(int fd);

extern int read(int fd, void *buf, size_t count);
extern int write(int fd, const void *buf, size_t count);

extern off_t lseek(int fd, off_t offset, int whence);

extern long getdents(int fd, struct dentry *dirp, unsigned int count);

extern pid_t fork(void);

extern int execl(const char *path, const char *arg, ...);
extern int execlp(const char *file, const char *arg, ...);
extern int execle(const char *path, const char *arg, ...);
extern int execv(const char *path, char *const argv[]);
extern int execvp(const char *file, char *const argv[]);
extern int execvpe(const char *file, char *const argv[], char *const envp[]);

#endif