笔者将介绍c语言所提供的随机数发生器的用法。现在的c编译程序都提供了一个基于一种ANSI标准的伪随机数发生器函数，用来生成随机数-I will introduce the usage of the c language provided by the random number generator. The c compiler is an ANSI standard based on a pseudo-random number generator function is used to ge