graphics.h 是一个非常古老的库 使用 Borland C++ 在 DOS 中制作图形 3.x。 Windows下不支持，编译器也不支持 要么。
您可能会尝试在某处找到 Borland 的旧副本（也许还有运行它的 VM），或者可能找到一本较新的 C 书。
That book was published in 1995. While the basic C concepts should still be valid, any OS-specific or compiler-specific stuff will likely be quite out of date. (Similarly, the book's FTP site is likely long gone.) According to this link, it looks like graphics.h was part of an old Borland DOS compiler:
graphics.h is a very old library for doing graphics in DOS with Borland C++ 3.x. It's not supported under Windows, and the compiler isn't supported either.
You might try to find an old copy of Borland somewhere (and perhaps a VM in which to run it), or perhaps, find a newer C book.
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那本书出版于 1995 年。虽然基本的 C 概念应该仍然有效，但任何特定于操作系统或特定于编译器的东西可能已经过时了。 （同样，这本书的 FTP 站点可能早已不复存在。）根据 此链接，看起来graphics.h是旧的Borland DOS编译器的一部分：
您可能会尝试在某处找到 Borland 的旧副本（也许还有运行它的 VM），或者可能找到一本较新的 C 书。
That book was published in 1995. While the basic C concepts should still be valid, any OS-specific or compiler-specific stuff will likely be quite out of date. (Similarly, the book's FTP site is likely long gone.) According to this link, it looks like graphics.h was part of an old Borland DOS compiler:
You might try to find an old copy of Borland somewhere (and perhaps a VM in which to run it), or perhaps, find a newer C book.