/*
 *	ERRNO.H		system error codes
 */

#ifndef ERRNO_H
#define	ERRNO_H

extern	int		errno;		/* system error number */
extern	int		sys_nerr;	/* largest (negative) error number */
extern	char		*sys_errlist[];	/* system error message text */
extern	char		*strerror();	/* error string retrieval function */

#define	is_syserr(n)	((n <= 0) && (n >= -sys_nerr))

/* bios errors */
#define	E_OK		0		/* no error */
#ifndef ERROR
#define	ERROR		(-1)		/* general error */
#endif
#define	ENOENT		(-2)		/* No such file or directory */
#define	ESRCH		(-3)		/* No such process */
#define	EINTR		(-4)		/* Interrrupted system call */
#define	EIO   		(-5)		/* I/O error */
#define	ENXIO 		(-6)		/* No such device or address */
#define	E2BIG 		(-7)		/* Arg list is too long */
#define	ENOEXEC		(-8)    	/* Exec format error */
#define	EBADF           (-9)		/* Bad file number */
#define	ECHILD		(-10)		/* No child process */
#define	EAGAIN		(-11)		/* No more processes allowed */
#define	ENOMEM		(-12)		/* No memory available */
#define	EACCES  	(-13)		/* Access denied */
#define	EFAULT		(-14)		/* Badd address */
#define	ENOTBLK 	(-15)		/* Bulk device required */
#define	EBUSY 		(-16)		/* Resource is busy */
#define EEXIST          (-17)           /* File already exists */
#define EXDEV           (-18)           /* Cross-device link */
#define ENODEV          (-19)           /* No such device */
#define ENOTDIR         (-20)           /* Is not a directory */
#define EISDIR          (-21)           /* Is a directory */
#define EINVAL          (-22)           /* Invalid argument */
#define ENFILE          (-23)           /* No more files (system) */
#define EMFILE          (-24)           /* No more files (process) */
#define ENOTTY          (-25)           /* Not a terminal */
#define ETXTBSY         (-26)           /* Text file is busy */
#define EFBIG           (-27)           /* File is too large */
#define ENOSPC          (-28)           /* No space left */
#define ESPIPE          (-29)           /* Seek issued to pipe */
#define EROFS           (-30)           /* Read-only file system */
#define EMLINK          (-31)           /* Too many links */
#define EPIPE           (-32)           /* Broken pipe */
#define EDOM            (-33)           /* Math function argument error */
#define ERANGE          (-34)           /* Math function result is out of
					   range */

#endif ERRNO_H