CodePudding user response:

At the back of the bracket?

CodePudding user response:

Why the while and behind the for have a semicolon

CodePudding user response:

Both for the back and while behind the semicolon;
Note the semicolon represents a statement that the while loop body is; That is what all don't perform, infinite loop, and is of CPU, reduces your computer card ~

CodePudding user response:

Behind the front without parentheses braces while the for don't need to add a semicolon
And the first parameter to this function is not the integer ah FillRectangle
Thiz: their own pointer variable, like this pointer variable; Belong to the DirectFB placard wording,