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dir: /doc/man3/setjmp.h.3/

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.TH setjmp.h 3
.SH NAME
setjmp.h - non-local jumps
.SH SYNOPSIS

#include <setjmp.h>

The setjmp.h header declares the following functions:

.nf
void longjmp(jmp_buf env, int val)
int setjmp(jmp_buf env)
.fi
.SH DESCRIPTION
The setjmp.h header defines the type

.B jmp_buf

It is an array type suitable for holding
the information needed to restore a calling environment.
The environment of a call to
.B setjmp
consists of information
that is essential for a call to
.B longjmp
to return execution to the respective block,
and the invocation of that block, were it called recursively.
.SH STANDARDS
ISO/IEC 9899:1999 Section 7.13.1 Paragraph 1,2,3
.SH SEE ALSO
.BR setjmp (3)
.BR longjmp (3)