C Standard Library <assert.h>

C Standard Library assert.hThe header file provides a named assert It can be used to verify the assumptions made by the program and output diagnostic messages when the assumptions are false.

already defined macro assert points to another macro NDEBUG, the macro NDEBUG is not part of <assert.h>. If NDEBUG is defined as a macro name in the source file that references <assert.h>, then assert The definition of macro is as follows:

#define assert(ignore) ((void)0)

Library Macros

The following lists the unique functions defined in the header file assert.h:

Serial Number	Function & Description
1	void assert(int expression) 　Assertion functions, used to catch program errors during debugging