摘要： 查找单词序列在文章中出现的次数[期望]对于测试char *substrs[3] = {"ffff", "cindy", "Bill"};char *str = "Hellocindy, BillGatesBill---cindy-ffffffxxx23424cindycindy";找到的结果应该是："ffff" => 3,"cindy" => 4,"Bill" => 2[抱怨]c语言没有基础数据结构hash用来方便地表示上面这种结果，像p 阅读全文