apue.h標頭檔

http://www.apuebook.com/下載src.tar.gz原始碼的壓縮包。

#ifndef _APUE_H         #define _APUE_H                 #define _XOPEN_SOURCE   600  /* Single UNIX Specification, Version 3 */                 #include <sys/types.h>       /* some systems still require this */         #include <sys/stat.h>         #include <sys/termios.h>     /* for winsize */         #ifndef TIOCGWINSZ         #include <sys/ioctl.h>         #endif         #include <stdio.h>     /* for convenience */         #include <stdlib.h>    /* for convenience */         #include <stddef.h>    /* for offsetof */         #include <string.h>    /* for convenience */         #include <unistd.h>    /* for convenience */         #include <signal.h>    /* for SIG_ERR */                         #define MAXLINE 4096               /* max line length */                 /*       * Default file access permissions for new files.       */        #define FILE_MODE   (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)                 /*       * Default permissions for new directories.       */        #define DIR_MODE    (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)                 typedef void   Sigfunc(int);   /* for signal handlers */                #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))                 /*       * Prototypes for our own functions.       */        char    *path_alloc(int *);              /* Figure 2.15 */        long     open_max(void);                 /* Figure 2.16 */        void     clr_fl(int, int);               /* Figure 3.11 */        void     set_fl(int, int);               /* Figure 3.11 */        void     pr_exit(int);                   /* Figure 8.5 */        void     pr_mask(const char *);          /* Figure 10.14 */        Sigfunc *signal_intr(int, Sigfunc *);    /* Figure 10.19 */                int      tty_cbreak(int);                /* Figure 18.20 */        int      tty_raw(int);                   /* Figure 18.20 */        int      tty_reset(int);                 /* Figure 18.20 */        void     tty_atexit(void);               /* Figure 18.20 */        #ifdef  ECHO    /* only if <termios.h>  has been included */         struct termios  *tty_termios(void);      /* Figure 18.20 */        #endif                 void     sleep_us(unsigned int);             /* Exercise 14.6 */        ssize_t  readn(int, void *, size_t);         /* Figure 14.29 */        ssize_t  writen(int, const void *, size_t);  /* Figure 14.29 */        void     daemonize(const char *);            /* Figure 13.1 */                int      s_pipe(int *);                 /* Figures 17.6 and 17.13 */        int      recv_fd(int, ssize_t (*func)(int,                         const void *, size_t));/* Figures 17.21 and 17.23 */        int      send_fd(int, int);             /* Figures 17.20 and 17.22 */        int      send_err(int, int,                          const char *);        /* Figure 17.19 */        int      serv_listen(const char *);     /* Figures 17.10 and 17.15 */        int      serv_accept(int, uid_t *);     /* Figures 17.11 and 17.16 */                int      cli_conn(const char *);        /* Figures 17.12 and 17.17 */        int      buf_args(char *, int (*func)(int,                          char **));            /* Figure 17.32 */                int      ptym_open(char *, int);    /* Figures 19.8, 19.9, and 19.10 */        int      ptys_open(char *);         /* Figures 19.8, 19.9, and 19.10 */        #ifdef  TIOCGWINSZ         pid_t    pty_fork(int *, char *, int, const struct termios *,                          const struct winsize *);      /* Figure 19.11 */        #endif                 int     lock_reg(int, int, int, off_t, int, off_t); /* Figure 14.5 */        #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);     /* Figure 14.6 */                #define is_read_lockable(fd, offset, whence, len) \                     (lock_test((fd), F_RDLCK, (offset), (whence), (len)) == 0)        #define is_write_lockable(fd, offset, whence, len) \                     (lock_test((fd), F_WRLCK, (offset), (whence), (len)) == 0)                void    err_dump(const char *, ...);        /* Appendix B */        void    err_msg(const char *, ...);        void    err_quit(const char *, ...);        void    err_exit(int, const char *, ...);        void    err_ret(const char *, ...);        void    err_sys(const char *, ...);                void    log_msg(const char *, ...);         /* Appendix B */        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);        /* parent/child from Section 8.9 */        void    TELL_PARENT(pid_t);        void    TELL_CHILD(pid_t);        void    WAIT_PARENT(void);        void    WAIT_CHILD(void);                #endif  /* _APUE_H */