/* Our own header, to be included before all standard system headers */#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} */#endifvoid	 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	TIOCGWINSZpid_t	 pty_fork(int *, char *, int, const struct termios *,		          const struct winsize *);		/* {Prog ptyfork} */#endifint		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 */