ASSERT(3) Linux Programmer's Manual ASSERT(3)
NAME
assert - Abort the program if assertion is false.SYNOPSIS
#include <assert.h> void assert (int expression);DESCRIPTION
assert() prints an error message to standard output and terminates the program by calling abort() if expression is false (i.e., compares equal to zero). This only happens when the macro NDEBUG is undefined.RETURN VALUE
No value is returned.CONFORMS TO
ANSI - CBUGS
assert() is implemented as a macro; if the expression tested has side - effects, program behaviour will be dif- ferent depending on whether NDEBUG is defined. This may create Heisenbugs which go away when debugging is turned on.
GNU April 4, 1993 1
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