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TYPEOF(3) Library Functions Manual TYPEOF(3) NAME typeof - GNU extension for type of an expression SYNOPSIS type typeof(expression); DESCRIPTION The typeof() construct can be used to obtain the type of an expression. The syntax is comparable to that of sizeof(), but semantically typeof() operates like a type name defined with typedef. EXAMPLES The following is a typical example of a type-generic macro: #define MAX(a, b) ({ \ typeof(a) _a = (a); \ typeof(b) _b = (b); \ _a > _b ? _a : _b; \ }) SEE ALSO gcc(1), __alignof__(3), attribute(3), offsetof(3) CAVEATS The typeof() construct is a non-standard, compiler-specific extension. NetBSD 9.99 December 19, 2010 NetBSD 9.99