摘要： C和指针---读书笔记。1，unsigned int 声明无符号int类型 默认是 singned,即此整数类型包括正负数。也可用于long上。说明符有 unsigned signed short long2，枚举 enum jump{cpu = 100, a = 2};3，for 循环的执行顺序，，for( expression1; expression2, expression3){statement;}expression1->expression2->statement->expression3->expression2->statement->ex 阅读全文