说明：  一些迭代求根法的C语言程序（简单迭代法、割线法、二分法等）\些迭代求根法的C语言程序（简单迭代法、割线法、二分法等）
(Some Iterative Root Law C language program (a simple iterative method, secant method, dichotomy, etc.) more Iterative Root Law C language program (a simple iterative method, secant method, dichotomy, etc.))