## page was renamed from TCPL/A.7.4.8 Sizeof Operator
==== A.7.4.8 Sizeof Operator ====

The sizeof operator yields the number of bytes required to store an object of the type of its operand. The operand is either an expression, which is not evaluated, or a parenthesized type name. When sizeof is applied to a char, the result is 1; when applied to an array, the result is the total number of bytes in the array. When applied to a structure or union, the result is the number of bytes in the object, including any padding required to make the object tile an array: the size of an array of n elements is n times the size of one element. The operator may not be applied to an operand of function type, or of incomplete type, or to a bit-field. The result is an unsigned integral constant; the particular type is implementation-defined. The standard header <stddef.h> (See appendix B) defines this type as size_t.