.help zxgmes May84 "System Interface"
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NAME
zxgmes -- get info on most recent exception
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SYNOPSIS
.nf
zxgmes (os_exception, errmsg, maxch)

int	os_exception		# machine dependent exception code
packed	char errmsg[maxch]	# machine dependent error message
.fi
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DESCRIPTION
A description of the most recent hardware or software exception is returned.
The integer code \fIos_exception\fR is the machine dependent code for the
exception, and \fIerrmsg\fR is a specific, machine dependent string
describing the exception.  A program which merely calls \fBzxgmes\fR
to fetch and print the error message can be informative without compromising
portability (e.g., the default exception handlers do this).
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RETURN VALUE
OK is returned for \fIos_exception\fR if no exception has occurred since
process startup or since the last call to \fBzxgmes\fR.  If \fBzxgmes\fR
is called repeatedly following a single exception all calls after the first
will return OK.
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NOTES
Any program which uses machine dependent exception codes is machine dependent.
The usage should be parameterized and documented in one of the system config
files.
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SEE ALSO
zxwhen, zintpr
.endhelp