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Atari Mega Archive 2
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include
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setjmp.h
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C/C++ Source or Header
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1990-07-15
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851b
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31 lines
/* The <setjmp.h> header relates to the C phenomenon known as setjmp/longjmp.
* It is used to escape out of the current situation into a previous one.
* A typical example is in an editor, where hitting DEL breaks off the current
* command and puts the editor back in the main loop.
*/
#ifndef _SETJMP_H
#define _SETJMP_H
#define _JBLEN 16 /* enough for all machines */
typedef char *jmp_buf[_JBLEN];
/* Function Prototypes. */
#ifndef _ANSI_H
#include <ansi.h>
#endif
_PROTOTYPE( int setjmp, (jmp_buf __env) );
_PROTOTYPE( void longjmp, (jmp_buf __env, int __val) );
#ifdef _POSIX_SOURCE
typedef sigjmp_buf[_JBLEN+1]; /* regular stuff plus mask */
_PROTOTYPE( int sigsetjmp, (sigjmp_buf __env, int __savemask) );
_PROTOTYPE( int siglongjmp, (sigjmp_buf __env, int __val) );
#endif /* _POSIX_SOURCE */
#endif /* _SETJMP_H */