apue.h头文件

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冷面寒枪 2013-07-01 14:55:42 博主文章分类：linux/unix ©著作权

文章标签 apue.h 文章分类 iOS 移动开发

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今天刚开始看UNIX环境高级编程，第16章有个apue.h头文件没被编译通过，后来知道这个是作者自己定义的头文件，先把源代码贴出。

#ifndef _APUE_H
#define _APUE_H
#if defined(SOLARIS)
#define _XOPEN_SOURCE 500 /* Single UNIX Specification, Version 2  for Solaris 9 */
#define CMSG_LEN(x) _CMSG_DATA_ALIGN(sizeof(struct cmsghdr)+(x))
#elif !defined(BSD)
#define _XOPEN_SOURCE 600 /* Single UNIX Specification, Version 3 */
#endif
#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 *);    /* {Prog pathalloc} */
long  open_max(void);    /* {Prog openmax} */
void  clr_fl(int, int);    /* {Prog setfl} */
void  set_fl(int, int);    /* {Prog setfl} */
void  pr_exit(int);     /* {Prog prexit} */
void  pr_mask(const char *);   /* {Prog prmask} */
Sigfunc *signal_intr(int, Sigfunc *); /* {Prog signal_intr_function} */
int   tty_cbreak(int);    /* {Prog raw} */
int   tty_raw(int);     /* {Prog raw} */
int   tty_reset(int);    /* {Prog raw} */
void  tty_atexit(void);    /* {Prog raw} */
#ifdef ECHO /* only if <termios.h> has been included */
struct termios *tty_termios(void);  /* {Prog raw} */
#endif
void  sleep_us(unsigned int);   /* {Ex sleepus} */
ssize_t  readn(int, void *, size_t);  /* {Prog readn_writen} */
ssize_t  writen(int, const void *, size_t); /* {Prog readn_writen} */
void  daemonize(const char *);   /* {Prog daemoninit} */
int   s_pipe(int *);     /* {Progs streams_spipe sock_spipe} */
int   recv_fd(int, ssize_t (*func)(int,
           const void *, size_t));/* {Progs recvfd_streams recvfd_sockets} */
int   send_fd(int, int);    /* {Progs sendfd_streams sendfd_sockets} */
int   send_err(int, int,
            const char *);  /* {Prog senderr} */
int   serv_listen(const char *);  /* {Progs servlisten_streams servlisten_sockets} */
int   serv_accept(int, uid_t *);  /* {Progs servaccept_streams servaccept_sockets} */
int   cli_conn(const char *);  /* {Progs cliconn_streams cliconn_sockets} */
int   buf_args(char *, int (*func)(int,
            char **));   /* {Prog bufargs} */
int   ptym_open(char *, int); /* {Progs3 ptyopen_streams ptyopen_bsd ptyopen_linux} */
int   ptys_open(char *);   /* {Progs3 ptyopen_streams ptyopen_bsd ptyopen_linux} */
#ifdef TIOCGWINSZ
pid_t  pty_fork(int *, char *, int, const struct termios *,
            const struct winsize *);  /* {Prog ptyfork} */
#endif
int  lock_reg(int, int, int, off_t, int, off_t); /* {Prog lockreg} */
#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);  /* {Prog locktest} */
#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 *, ...);  /* {App misc_source} */
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 *, ...);   /* {App misc_source} */
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 {Sec race_conditions} */
void TELL_PARENT(pid_t);
void TELL_CHILD(pid_t);
void WAIT_PARENT(void);
void WAIT_CHILD(void);
#endif /* _APUE_H */