# 2.11BSD#431 - /usr/man/cat3/assert.0

    ASSERT(3)	    UNIX Programmer's Manual		ASSERT(3)

    NAME
         assert - program verification

    SYNOPSIS
         #include <assert.h>

         assert(expression)

    DESCRIPTION
         Assert is a macro that indicates expression is expected to
         be true at this point in the program.  It causes an exit(2)
         with a diagnostic comment on the standard output when
         expression is false (0).  Compiling with the cc(1) option
         -DNDEBUG effectively deletes assert from the program.

    DIAGNOSTICS
         `Assertion failed: file f line n.' F is the source file and
         n the source line number of the assert statement.

    Printed 11/26/99	  May 12, 1986				1

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