本文共 4062 字,大约阅读时间需要 13 分钟。
这个头文件是UNIX高级编程那本书的作者自己写的。其实可以不用他的。应该用什么头文件,自己包含系统的就行。
下面是这个头文件的内容
-
- #ifndef __ourhdr_h
- #define __ourhdr_h
- #include <errno.h>/*for definition of errno */
- #include <stdarg.h>/*ANSI C header file*/
- #include <sys/types.h> /* required for some of our prototypes */
- #include <stdio.h> /* for convenience */
- #include <stdlib.h> /* for convenience */
- #include <string.h> /* for convenience */
- #include <unistd.h> /* for convenience */
- #define MAXLINE 4096 /* max line length */
- #define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
-
- #define DIR_MODE (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)
-
- typedef void Sigfunc(int);
-
-
- #if defined(SIG_IGN) && !defined(SIG_ERR)
- #define SIG_ERR ((Sigfunc *)-1)
- #endif
- #define min(a,b) ((a) < (b) ? (a) : (b))
- #define max(a,b) ((a) > (b) ? (a) : (b))
-
- char *path_alloc(int *);
- int open_max(void);
- void clr_fl(int, int);
- void set_fl(int, int);
- void pr_exit(int);
- void pr_mask(const char *);
- Sigfunc *signal_intr(int, Sigfunc *);
- int tty_cbreak(int);
- int tty_raw(int);
- int tty_reset(int);
- void tty_atexit(void);
- #ifdef ECHO /* only if <termios.h> has been included */
- struct termios *tty_termios(void);
- #endif
- void sleep_us(unsigned int);
- ssize_t readn(int, void *, size_t);
- ssize_t writen(int, const void *, size_t);
- int daemon_init(void);
- int s_pipe(int *);
- int recv_fd(int, ssize_t (*func)(int, const void *, size_t));
-
- int send_fd(int, int);
- int send_err(int, int, const char *);
- int serv_listen(const char *);
- int serv_accept(int, uid_t *);
- int cli_conn(const char *);
- int buf_args(char *, int (*func)(int, char **));
-
- int ptym_open(char *);
- int ptys_open(int, char *);
- #ifdef TIOCGWINSZ
- pid_t pty_fork(int *, char *, const struct termios *,
- const struct winsize *);
- #endif
- int lock_reg(int, int, int, off_t, int, off_t);
-
- #define read_lock(fd, offset, whence, len) lock_reg(fd, F_SETLK, F_RDLCK, offset, whence, len)
- #define readw_lock(fd, offset, whence, len) lock_reg(fd, F_SETLKW, F_RDLCK, offset, whence, len)
- #define write_lock(fd, offset, whence, len) lock_reg(fd, F_SETLK, F_WRLCK, offset, whence, len)
- #define writew_lock(fd, offset, whence, len) lock_reg(fd, F_SETLKW, F_WRLCK, offset, whence, len)
- #define un_lock(fd, offset, whence, len) lock_reg(fd, F_SETLK, F_UNLCK, offset, whence, len)
- pid_t lock_test(int, int, off_t, int, off_t);
-
- #define is_readlock(fd, offset, whence, len) lock_test(fd, F_RDLCK, offset, whence, len)
- #define is_writelock(fd, offset, whence, len) lock_test(fd, F_WRLCK, offset, whence, len)
- void err_dump(const char *, ...);
- void err_msg(const char *, ...);
- void err_quit(const char *, ...);
- void err_ret(const char *, ...);
- void err_sys(const char *, ...);
- void log_msg(const char *, ...);
- void log_open(const char *, int, int);
- void log_quit(const char *, ...);
- void log_ret(const char *, ...);
- void log_sys(const char *, ...);
- void TELL_WAIT(void);
- void TELL_PARENT(pid_t);
- void TELL_CHILD(pid_t);
- void WAIT_PARENT(void);
- void WAIT_CHILD(void);
- #endif /* __ourhdr_h */
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