Syntax and Semantics笔试题
Syntax and Semantics
1. In a runtime C program, auto variables are stored in , static variables are stored in , and function parameters are stored in .
a. stack b. heap c. neither stack nor heap
2. The statement extern int x; is a , and the keyword extern is used during .
a. variable declaration b. variable definition c. compilation time d. runtime
3. There is a complicated declaration: void ( * signal (int, void (*)(int)) ) (int);If a statement typedef void (*p) (int); is given, please rewrite this complicated declaration.
4. The following code is a segment of C program.
..........
void func(int *p)
{...........}
..........
main()
{
int num=0;
.........
func(num);
........
}
..........
Here, the function argument num is passed .
a. by value b. by reference
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