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<setjmp.h>(0P)             POSIX Programmer's Manual            <setjmp.h>(0P)

NAME
       setjmp.h - stack environment declarations
SYNOPSIS
       #include <setjmp.h>
DESCRIPTION
       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, Sec-
       tion 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
       sigjmp_buf.
       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    setjmp(jmp_buf);
              int    sigsetjmp(sigjmp_buf, int);

              int   _setjmp(jmp_buf);

       The following sections are informative.
APPLICATION USAGE
       None.
RATIONALE
       None.
FUTURE DIRECTIONS
       None.
SEE ALSO
       The  System  Interfaces  volume  of  IEEE Std 1003.1-2001,   longjmp(),
       _longjmp(), setjmp(), siglongjmp(), sigsetjmp()
COPYRIGHT
       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 .

IEEE/The Open Group                  2003                       <setjmp.h>(0P)