https://blog.youkuaiyun.com/jasonCSHzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/jasonCSH/article/details/131501423https://blog.youkuaiyun.com/jasonCSH/article/details/131501423jasonCSHSun, 02 Jul 2023 15:31:14 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/126020200https://blog.youkuaiyun.com/jasonCSH/article/details/126020200jasonCSHWed, 27 Jul 2022 17:54:53 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/125406307https://blog.youkuaiyun.com/jasonCSH/article/details/125406307jasonCSHWed, 22 Jun 2022 11:38:11 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/109400139https://blog.youkuaiyun.com/jasonCSH/article/details/109400139jasonCSHSat, 31 Oct 2020 11:33:01 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/108966427https://blog.youkuaiyun.com/jasonCSH/article/details/108966427jasonCSHThu, 08 Oct 2020 18:19:55 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/108730324https://blog.youkuaiyun.com/jasonCSH/article/details/108730324jasonCSHTue, 22 Sep 2020 16:27:40 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/108708468https://blog.youkuaiyun.com/jasonCSH/article/details/108708468jasonCSHMon, 21 Sep 2020 15:39:42 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/108705748https://blog.youkuaiyun.com/jasonCSH/article/details/108705748jasonCSHMon, 21 Sep 2020 13:27:20 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/108703316https://blog.youkuaiyun.com/jasonCSH/article/details/108703316jasonCSHMon, 21 Sep 2020 11:18:00 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/108702807https://blog.youkuaiyun.com/jasonCSH/article/details/108702807jasonCSHMon, 21 Sep 2020 09:48:50 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/82913367https://blog.youkuaiyun.com/jasonCSH/article/details/82913367jasonCSHSun, 30 Sep 2018 20:52:45 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/80710418https://blog.youkuaiyun.com/jasonCSH/article/details/80710418jasonCSHFri, 15 Jun 2018 23:01:26 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/7667080https://blog.youkuaiyun.com/jasonCSH/article/details/7667080jasonCSHFri, 15 Jun 2012 16:58:13 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/7222177https://blog.youkuaiyun.com/jasonCSH/article/details/7222177jasonCSHTue, 31 Jan 2012 15:12:00 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/6627707https://blog.youkuaiyun.com/jasonCSH/article/details/6627707jasonCSHSat, 23 Jul 2011 11:54:26 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/6174873https://blog.youkuaiyun.com/jasonCSH/article/details/6174873jasonCSHTue, 08 Feb 2011 21:02:00 +0800https://blog.youkuaiyun.com/jasonCSH/article/details/5992911https://blog.youkuaiyun.com/jasonCSH/article/details/5992911jasonCSHSun, 07 Nov 2010 10:31:00 +0800浮点数在内存中的存储方式
浮点数保存的字节格式如下：
地址        +0          +1           +2           +3
内容    SEEE EEEE   EMMM MMMM    MMMM MMMM    MMMM MMMM
这里
S 代表符号位，1是负，0是正
E 偏移127的幂，二进制阶码=(EEEEEEEE)-127。
M 24位的尾数保存在23位中，只存储23位，最高位固定为1。]]>https://blog.youkuaiyun.com/jasonCSH/article/details/5992891https://blog.youkuaiyun.com/jasonCSH/article/details/5992891jasonCSHSun, 07 Nov 2010 10:18:00 +0800The IEEE (Institute of Electrical and Electronics Engineers) has produced a standard for floating point arithmetic. This standard specifies how single precision (32 bit) and double precision (64 bit) flo]]>https://blog.youkuaiyun.com/jasonCSH/article/details/5847680https://blog.youkuaiyun.com/jasonCSH/article/details/5847680jasonCSHSun, 29 Aug 2010 12:22:00 +0800今天在网上找了一下希望能找到用系统函数更新gateway的函数没有找到。看了一下busybox中关于route命令的实现，发现也比较麻烦。
最后只好用老办法了，用system来调用route的命令了。下面是代码。
 
 
#include
#include
void main()
{
 FILE *pfile=NULL;
 ssize_t read; 
https://blog.youkuaiyun.com/jasonCSH/article/details/5711711https://blog.youkuaiyun.com/jasonCSH/article/details/5711711jasonCSHSun, 04 Jul 2010 10:38:00 +0800