68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#ifndef _LIBC_UNISTD_H
|
|
#define _LIBC_UNISTD_H
|
|
|
|
#pragma once
|
|
|
|
#include <stddef.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define STDIN_FILENO 0
|
|
#define STDOUT_FILENO 1
|
|
#define STDERR_FILENO 2
|
|
|
|
#define F_OK 0
|
|
#define X_OK 1
|
|
#define W_OK 2
|
|
#define R_OK 4
|
|
|
|
int read(int fd, void *buf, size_t count);
|
|
int write(int fd, const void *buf, size_t count);
|
|
int close(int fd);
|
|
long lseek(int fd, long offset, int whence);
|
|
int chdir(const char *path);
|
|
char *getcwd(char *buf, size_t size);
|
|
int access(const char *path, int mode);
|
|
int isatty(int fd);
|
|
int unlink(const char *path);
|
|
int rmdir(const char *path);
|
|
int dup(int fd);
|
|
int dup2(int oldfd, int newfd);
|
|
pid_t getpid(void);
|
|
void _exit(int status) __attribute__((noreturn));
|
|
pid_t fork(void);
|
|
int execv(const char *path, char *const argv[]);
|
|
int execve(const char *path, char *const argv[], char *const envp[]);
|
|
int execvp(const char *file, char *const argv[]);
|
|
int pipe(int fds[2]);
|
|
long pathconf(const char *path, int name);
|
|
int getpagesize(void);
|
|
long sysconf(int name);
|
|
|
|
/* sysconf() names (Linux numbering). */
|
|
#define _SC_OPEN_MAX 4
|
|
#define _SC_PAGESIZE 30
|
|
#define _SC_PAGE_SIZE 30
|
|
#define _SC_NPROCESSORS_ONLN 84
|
|
|
|
/* pathconf() names (Linux numbering). */
|
|
#define _PC_LINK_MAX 0
|
|
#define _PC_MAX_CANON 1
|
|
#define _PC_MAX_INPUT 2
|
|
#define _PC_NAME_MAX 3
|
|
#define _PC_PATH_MAX 4
|
|
#define _PC_PIPE_BUF 5
|
|
|
|
extern char **environ;
|
|
|
|
unsigned int sleep(unsigned int seconds);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _LIBC_UNISTD_H */
|