日常瑣碎事

"ifconfig [dev_name] up"

int interface_up(char * interface_name)

The Internet Protocol (IP) is the heart of the Linux messaging system. While Linux (more or less) strictly adheres to the layering concept - and it is possible to use a different protocol (like ATM) - IP is almost always the nexus through which packets flow. The IP implementation of the network layer performs routing and forwarding as well as encapsulating data. See Figure 2.1 for a simplified diagram of how network packets move through the Linux kernel.

Sited from Vbird

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awk 則比較傾向於一行當中分成數個『欄位』來處理

awk '條件類型1{動作1} 條件類型2{動作2} ...' filename

Static link:

Compiler時，

[轉貼]用GCC自製Library

MediaTek真的頗累  

或者說裡面的人還滿厲害的

What is callback?

簡單的說，如果你使用了某個function，那麼你就是『call』了一個function。