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Answer by Eric Postpischil for How compiler handles a non-zero null pointer...
if (!pointer)If the C implementation used the value DEADBEEF16 for a null pointer, the compiler would compile if (!pointer) to code such as: compare pointer, #0xDEADBEEF branch-if-not-equal...
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This answer properly explains about null pointers. In the last paragraph under Null Pointers it saysIf the underlying architecture has a null pointer value defined as address 0xDEADBEEF, then it is up...
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