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setjmp.h - stack environment declarations
Some of the functionality described on this reference page extends the
ISO C standard. Applications shall define the appropriate feature test
macro (see the System Interfaces volume of IEEE Std 1003.1-2001,
Section 2.2, The Compilation Environment) to enable the visibility of
these symbols in this header.
The <setjmp.h> header shall define the array types jmp_buf and
The following shall be declared as functions and may also be defined as
macros. Function prototypes shall be provided.
void longjmp(jmp_buf, int);
void siglongjmp(sigjmp_buf, int);
void _longjmp(jmp_buf, int);
The following may be declared as a function, or defined as a macro, or
both. Function prototypes shall be provided.
int sigsetjmp(sigjmp_buf, int);
The following sections are informative.
The System Interfaces volume of IEEE Std 1003.1-2001, longjmp(),
_longjmp(), setjmp(), siglongjmp(), sigsetjmp()
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online
at http://www.opengroup.org/unix/online.html .