Readers can pick up this book and become familiar with C++ in a short time. Stan has taken a very broad and complicated topic and reduced it to the essentials that budding C++ programmers need to know to write real programs. His case study is effective and provides a familiar thread throughout the book.
Structure the sources so that the compression and decompression code
form a library usable by any program, and write both gzip and zip on
top of this library. This would ideally be a reentrant (thread safe)
library, but this would degrade performance. In the meantime, you can
look at the sample program zread.c.
Linux 操作系統是一種性能優良、源碼公開且被廣泛應用的免費操作系統,由于其體積小、可裁減、運行速度高、良好的網絡性能等優點,可以作為嵌入式操作系統。隨著2.6內核的發布,Linux向現有主流的RTOS提供商在嵌入式系統市場提出了巨大挑戰,例如VxWorks和WinCE,具有許多新特性,將成為更優秀的嵌入式操作系統。