What does C++ program return to the operating system? - 未名空间MITBBS历史存档

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What does C++ program return to the operating system?

What does C++ program return to the operating system?# Programming - 葵花宝典

S*H2007-01-27 08:01

1 楼

What is the correct value to return to the operating system upon the
successful completion of a program?
A. -1
B. 1
C. 0
D. Programs do not return a value.

t*t2007-01-27 08:01

2 楼

没听说过有硬性规定,只有常用的约定,而且跟C++也毫无关系

【在 S*****H 的大作中提到】

: What is the correct value to return to the operating system upon the
: successful completion of a program?
: A. -1
: B. 1
: C. 0
: D. Programs do not return a value.

S*H2007-01-27 08:01

3 楼

The given answer is 0. No explanation is given.
I do not undertand why.

t*t2007-01-27 08:01

4 楼

常用的约定的确就是0.但是也并不规定一定要这样做.

【在 S*****H 的大作中提到】

: The given answer is 0. No explanation is given.
: I do not undertand why.

u*u2007-01-27 08:01

5 楼

you can return anything, nothing in the system cares about this value.

【在 S*****H 的大作中提到】

: What is the correct value to return to the operating system upon the
: successful completion of a program?
: A. -1
: B. 1
: C. 0
: D. Programs do not return a value.