几个C语言程序开发经典实例，如输出特殊图形等，程序比较小，但在实际中很有用-several C programming language classic examples, such as special graphics output, the procedure is relatively small, but in practice useful

经典的c语言指纹识别程序，改进了算法，提高了识别率达到了98％以上-classical language c fingerprint identification procedures improve the algorithm, improving the recognition rate of over 98%

计算机科学经典著作之一，计算机图形学，C语言版本，不错的说！-one of the classics of computer science, computer graphics, C language version, it is true to say!