1、了解struct hostent 结构 2、了解gethostbyname()的使用方法 3、调用gethostbyname()获取主机信息 -Understanding of the gethostbyname () function to use, familiar with one of the important data structures and programming to obtain the host name, address and other infor

Link to the next node //this is fixed for any type of struct char info[12] Info to pass via the procfs file //these elements differ //based on your module/driver-Link to the next node //this is fixed for any type of struct char info[12]

为了生成轻量级信号量，你可以声明一LWSEM_STRUCT类型的变量并调用_lwsem_create()函数进行初始化，该函数有一指针指向变量并设置了一个初始的信号量计数。该信号量计数表明了并发地访问信号量资源的请求数，并设置为初始值。-In order to generate a lightweight signal, you can initialization function statement LWSEM_STRUCT struct type variables, and call _