Each function can be defined ( ) and declared ( ).
A. once; once
B. once; multiple times
C. multiple times; once
D. multiple times; multiple times
A function type tells the compiler ( )
A. The name of the function.
B. The data type of the value that the function will return.
C. The data types of each argument that the function expects to receive.
A function must be declared or defined before it can be used.
A. 对
B. 错
The semicolon in the syntax of function prototypes is optional.
A. 对
B. 错