#ifndef _ERRNO_H
#define _ERRNO_H
/**
 *  <errrno.h>
 *
 * The following symbols are the error codes returned by the UNIX system
 * functions.  Typically, a UNIX function returns -1 when an error occurs,
 * and the global integer named errno contains one of these values.
 *
 * AMENDENT HISTORY
 * ~~~~~~~~~~~~~~~~
 *  21 Aug 93   DJW   - Added additional error codes defined by POSIX
**/
#define EOSERR -1       /* Operating system error */

#define ENOERR 0        /* NO error ! */
#define EPERM 1         /* User is not owner */
#define ENOENT 2        /* No such file or directory */
#define ESRCH 3         /* No such process */
#define EINTR 4         /* Interrupted 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       /* Bad 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      /* Not a directory */
#define EISDIR 21       /* Is a directory */
#define EINVAL 22       /* Invalid argument */
#define ENFILE 23       /* No more files (units) allowed */
#define EMFILE 24       /* No more files (units) allowed for this 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 */

#define EDEADLK 35      /* Resource deadlock avoided */
#define ENAMETOOLONG 36 /* Filename too long */
#define ENOLCK 37       /* No locks available */
#define ENOSYS 38       /* Function not implemented */
#define ENOTEMPTY 39    /* Directory not empty */
/**
*
* External data definitions
*
*/
extern int errno;
extern int sys_nerr;
extern char *sys_errlist[];

#endif /* _ERRNO_H */