Equivalence of '\0' and 0 in C

Ever wondered why '\0' == 0 in C (and related languages like C++ and Objective-C) ? Well that's because when a character constant is specified in the form '\XYZ' [if X is 0 - Glen points out that X need only to be valid octal digit] then XYZ will be interpreted as a octal number, if X is x it will be interpreted as hexadecimal. Hence '\0' means octal 0, which is the same as 0, the literal decimal constant 0.

Credit goes to ni for pointing this out.

Cheers,
Steve