what is the Rvalue and Lvalue in c

2018-06-14 03:37:15

Possible Duplicates:
lvalue and rvalue
difference between c's expression and c++'s expression

On executing the program below, I got error an message like "required Lvalue is missing in main function"

main()
{
    int i;
    printf("%d",++i++);
}

Please tell me what are rvalues and lvalues. If there are any other values of this kind Please explain that also.

http://www.devx.com/tips/Tip/5696

我的东西++我不是左值所以（++ i）++是错误的。

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