Linux 平台函数手册，CHM格式，平时开发时十分有用-Linux platform, function, manual, CHM format is useful when developing normally

Linux C 常用库函数手册 .chm文件，方便寻找，但还是建议看man手册-Commonly used in Linux C library function manual. Chm file, easy to find, but it is recommended to see the man pages