形参和实参 Parameter && Argument
Formal Parameter && Actual Argument
"We will generally use a parameter for a variable named in the parenthesized list in a function definition, and argument for the value used in a call of the function. The terms formal argument and actual argument are sometimes used for the same distinction." ——《The C Programming Language》Section 1.7 K&R
"We will generally use a parameter for a variable named in the parenthesized list in a function definition, and argument for the value used in a call of the function. The terms formal argument and actual argument are sometimes used for the same distinction." ——《The C Programming Language》Section 1.7 K&R