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cc65/include/errno.h

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/*****************************************************************************/
/* */
/* errno.h */
/* */
/* Error codes */
/* */
/* */
/* */
/* (C) 1998-2003 Ullrich von Bassewitz */
/* R<>merstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _ERRNO_H
#define _ERRNO_H
/* Operating system specific error codes */
extern unsigned char _oserror;
/* Mapper function, don't call directly */
void _maperrno (void);
/* This one is called under the hood. User callable. */
int __fastcall__ _osmaperrno (unsigned char oserror);
/* System error codes go here */
extern int _errno;
/* errno must be a macro, here the mapper is called */
#define errno (_maperrno(), _errno)
/* Possible error codes */
#define ENOENT 1 /* No such file or directory */
#define ENOMEM 2 /* Out of memory */
#define EACCES 3 /* Permission denied */
#define ENODEV 4 /* No such device */
#define EMFILE 5 /* Too many open files */
#define EBUSY 6 /* Device or resource busy */
#define EINVAL 7 /* Invalid argument */
#define ENOSPC 8 /* No space left on device */
#define EEXIST 9 /* File exists */
#define EAGAIN 10 /* Try again */
#define EIO 11 /* I/O error */
#define EINTR 12 /* Interrupted system call */
#define ENOSYS 13 /* Function not implemented */
#define ESPIPE 14 /* Illegal seek */
#define ERANGE 15 /* Range error */
#define EUNKNOWN 16 /* Unknown OS specific error */
#endif