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/*
* setjmp.h
*
* Declarations supporting setjmp and longjump, a method for avoiding
* the normal function call return sequence. (Bleah!)
*
* This file is part of the Mingw32 package.
*
* Contributors:
* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision$
* $Author$
* $Date$
*
*/
#ifndef _SETJMP_H_
#define _SETJMP_H_
/* All the headers include this file. */
#include <_mingw.h>
#ifndef RC_INVOKED
#ifdef __cplusplus
extern "C" {
#endif
/*
* The buffer used by setjmp to store the information used by longjmp
* to perform it's evil goto-like work. The size of this buffer was
* determined through experimentation; it's contents are a mystery.
* NOTE: This was determined on an i386 (actually a Pentium). The
* contents could be different on an Alpha or something else.
*/
#define _JBLEN 16
#define _JBTYPE int
typedef _JBTYPE jmp_buf[_JBLEN];
/*
* The function provided by CRTDLL which appears to do the actual work
* of setjmp.
*/
int _setjmp (jmp_buf);
#define setjmp(x) _setjmp(x)
/*
* Return to the last setjmp call and act as if setjmp had returned
* nVal (which had better be non-zero!).
*/
void longjmp (jmp_buf, int);
#ifdef __cplusplus
}
#endif
#endif /* Not RC_INVOKED */
#endif /* Not _SETJMP_H_ */
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