📄 unistd.h
字号:
/* unistd.h -- POSIX header
Copyright 1992, Gimpel Software, All Rights Reserved
*/
#if defined(_lint) && !defined(__UNISTD_H)
#define __UNISTD_H
#define R_OK 1
#define W_OK 2
#define X_OK 3
#define F_OK 4
#ifndef NULL
#define NULL ((void *) 0)
#endif
#ifndef __SIZE_T
#define __SIZE_T
typedef unsigned size_t;
#endif
#ifndef __SSIZE_T
#define __SSIZE_T
typedef int ssize_t;
#endif
#ifndef SEEK_CUR
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
#define STDERR_FILENO 2
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define _PC_CHOWN_RESTRICTED 1
#define _PC_LINK_MAX 100
#define _PC_MAX_CANON 200
#define _PC_MAX_INPUT 200
#define _PC_NAME_MAX 200
#define _PC_NO_TRUNC 2
#define _PC_PATH_MAX 200
#define _PC_PIPE_BUF 200
#define _PC_VDISABLE 3
#define _POSIX_CHOWN_RESTRICTED 1
#define _POSIX_JOB_CONTROL 1
#define _POSIX_NO_TRUNC 3
#define _POSIX_SAVED_IDS 2
#define _POSIX_VDISABLE 3
#define _POSIX_VERSION 199009L
#define _SC_ARG_MAX 1
#define _SC_CHILD_MAX 2
#define _SC_CLK_TCK 3
#define _SC_JOB_CONTROL 4
#define _SC_NGROUPS_MAX 5
#define _SC_OPEN_MAX 6
#define _SC_SAVED_IDS 7
#define _SC_STREAM_MAX 8
#define _SC_TZNAME_MAX 9
#define _SC_VERSION 10
void _exit(int );
int access(const char *, int );
unsigned int alarm(unsigned int );
int chdir(const char *);
int chown(const char *, uid_t, gid_t );
int close(int );
char *ctermid(char *);
int dup2(int, int );
int dup(int );
int execl(const char *, const char *, ...);
int execle(const char *, const char *, ...);
int execlp(const char *, const char *, ...);
int execv(const char *, char *const []);
int execve(const char *, char *const [], char *const [] );
int execvp(const char *, char *const []);
pid_t fork(void);
long fpathconf(int, int );
char *getcwd(char *, size_t );
gid_t getegid(void);
uid_t geteuid(void);
gid_t getgid(void);
int getgroups(int, gid_t []);
char *getlogin(void);
pid_t getpgrp(void);
pid_t getpid(void);
pid_t getppid(void);
uid_t getuid(void);
int isatty(int );
int link(const char *, const char *);
off_t lseek(int, off_t, int );
long pathconf(const char *, int );
int pause(void);
int pipe(int [2]);
ssize_t read(int, void *, size_t );
int rmdir(const char *);
int setgid(gid_t );
int setpgid(pid_t, pid_t );
pid_t setsid(void);
int setuid(uid_t );
unsigned int sleep(unsigned int );
long sysconf(int );
pid_t tcgetpgrp(int );
int tcsetpgrp(int, pid_t );
char *ttyname(int );
int unlink(const char *);
ssize_t write(int , const void *, size_t );
#endif
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -