The / (division) operator yields the algebraic quotient of its operands. If both operands are integers, any fractional part (remainder) is discarded. Throwing away the fractional part is often called truncation toward zero. The operands must have an arithmetic or enumeration type. The right operand may not be zero: the result is undefined if the right operand evaluates to 0. For example, expression 7 / 4 yields the value 1 (rather than 1.75 or 2). The result is not an lvalue.
The usual arithmetic conversions on the operands are performed.