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Turbo C提供了非常丰富的图形函数, 所有图形函数的原型均在graphics. h中, 本节主要介绍图形模式的初始化、独立图形程序的建立、基本图形功能、图形窗口以及图形模式下的文本输出等函数。另外, 使用图形函数时要确保有显示器图形驱动程序*BGI, 同时将集成开发环境Options/Linker中的Graphics lib选为on, 只有这样才能保证正确使用图形函数。-Turbo C provides a very rich graphical functions, all the graphics functions of the prototype are in graphics. H in, this section focuses on the initialization of graphics mode, the establishment of an independent graphics program, the basic graphics functions, graphics window, as well as graphics mode text output and other functions. In addition, when using the graphics function is to ensure that display graphics drivers* BGI, while Integrated Development Environment Options/Linker in the Graphics lib voted on, the only way to ensure the proper use of graphics functions.