说明：  C语言写的jpeg压缩程序,质量可调,不依赖其他的任何库文件,自实现jpeg压缩,可用在嵌入式或者其他资源受限的环境下使用,由于是标准c语言,可以移植到任何环境上.
(C language to write the jpeg compression procedures, quality adjustable, do not rely on any other library files, since the realization of jpeg compression, can be used in embedded or other resource-constrained environment, as is a standard c language, can be transplanted to any environment on.)