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Reference.org
assert.h
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<p>assert.h is a <a href="/facts/Header_file/fg3KEG4V">header file</a> in the <a href="/facts/C_standard_library/qdG1nW2c">C standard library</a>. It defines the <a href="/facts/C_preprocessor/KuhuxKYP">C preprocessor</a> <a href="/facts/Macro_(computer_science)/7abAsm1o">macro</a> assert and implements runtime <a href="/facts/Assertion_(software_development)/lxSfLdLY">assertion</a> in C. </p><p>assert.h is defined in <a href="/facts/ANSI_C/rPKeEuPm">ANSI C</a> as part of the C standard library. In the <a href="/facts/C%252B%252B/Et0F2qn9">C++</a> programming language, assert.h and <cassert> are available; both are functionally equivalent. </p>