使用
gcc 4.7.2这个编译对我来说很好:
int main() { int _ = 1; return 0; }
我可以期待这个编译吗?我已经阅读了answers about underscores as prefixes.但如果下划线不是前缀什么呢?
解决方法
A name (identifier) consists of a sequence of letters and digits. The
first character must be a letter. The underscore character,_,is
considered a letter.
从C编程语言,第4版.