Posted on 2007-12-30 17:52
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大部分内容截取自uClinux-dist/linux-2.4.24/lib/libxxx中的相应说明，也有的google来的，不一定准确，仅供参考。
libAES, libDES, libSSL
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加密／解密和实现SSL要用到的库，实际编译uClinux-dist/freeswan下的一些咚咚，IPSEC要用到这个。
libGMP
--------
library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers.
用于任意精度的算术运算。
libG
-----
实际会编译termcap库，a library of C functions that enable programs to send control strings to terminals in a way independent of the terminal type.
用于向任意类型的终端发送字符串。
libldap
--------
LDAP(Lightweight Directory Access Protocol) is an Internet protocol that email and other programs use to look up information from a server.
如果程序用到LDAP协议需要这个。
libPAM
--------
Pluggable Authentication Modules for Linux, Is a system of libraries that handle the authentication tasks of applications (services) on the system.
用于对程序和服务的xxx认证。。。。
libpcap
--------
a system-independent interface for user-level packet capture, provides a portable framework for low-level network monitoring.
用于包捕获和分析，如果要跑网络分析、嗅探之类的程序需要用到这个。
libz
----
a general purpose data compression library.
提供数据压缩api。
libatm
-------
support ATM(asynchronous transfer mode) networking under Linux.
提供ATM相关的api。
libpng, libjpeg
----------------
提供png和jpeg文件格式相关的api。
ncurses
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The ncurses (new curses) library is a free software emulation of curses in System V Release 4.0 and more. It uses terminfo format, supports pads and color and multiple highlights and forms charcters and function-key mapping, and has all the other SYSV-curses enhancements over BSD curses.
这个应该熟悉了，用于实现菜单模式的库，配置linux内核的时候如果使用make menuconfig就需要这个库。