X-Git-Url: https://pd.if.org/git/?p=pdclib.old;a=blobdiff_plain;f=man3%2Fassert.h.3;fp=man3%2Fassert.h.3;h=1a532fa71fdc5d1bf2c91cc623565d322db4e419;hp=0000000000000000000000000000000000000000;hb=c66e7780ad17eb9af82dc61f4e3b44b7f0c890b2;hpb=8ea6754f7b066c496d7c7c68e7695aaec29b253a

diff --git a/man3/assert.h.3 b/man3/assert.h.3
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+.\" This file is part of the Public Domain C Library (PDCLib).
+.\" Permission is granted to use, modify, and / or redistribute at will.
+.\"
+.Dd
+.Dt ASSERT.H 3
+.Os
+.\"
+.Sh NAME
+.Nm assert.h
+.Nd verify program assertion
+.\"
+.Sh SYNOPSIS
+.In assert.h
+.\"
+.Sh DESCRIPTION
+The header
+.In assert.h
+shall define one macro:
+.Dv assert(<scalar expression>) .
+.Pp
+If
+.Dv NDEBUG
+was undefined at the most recent inclusion of this header, then it shall be
+defined as a macro which will evaluate the scalar expression and, if it is
+false, abort the program with a descriptive error message as defined in
+.Xr assert 3 .
+.\"
+.Pp
+If
+.Dv NDEBUG
+was defined at the most recent inclusion of this header, then it shall be
+defined as a macro which evaluates as a void expression and
+.Sy does not
+evaluate its parameter.
+.\"
+.Sh STANDARDS
+Conforming to
+.St -isoC-90 ,
+.St -isoC-99 .
\ No newline at end of file