拿什么在结构变量名之前的点? [英] What means the dot before variable name in struct?
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问题描述
看着Linux内核源代码,我发现这一点:
looking at the linux kernel source, I found this:
static struct tty_operations serial_ops = {
.open = tiny_open,
.close = tiny_close,
.write = tiny_write,
.write_room = tiny_write_room,
.set_termios = tiny_set_termios,
};
我从来没有见过这样的表示法C.
为什么会出现变量名前点?
I've never seen such a notation in C. Why is there a dot before the variable name?
推荐答案
This is a Designated Initializer, which is syntax added for C99.
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