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sudo cp 49-sansserif.conf 49-sansserif.conf_backup
sudo rm 49-sansserif.conf Ë¢ÐÂFlashÒ³Ãæ£¬ÏÔʾÕý³££¡
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2¡¢´ò¿ªÖÕ¶Ë£¬ÊäÈ룺sudo chmod +x setup
sudo ./setup
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ʵսLinux Bluetooth±à³Ì (Æß) SDPЭÒé

Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖЭÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀЭÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......

Linux Shell

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¡¡¡¡Êµ¼ÊÉÏShellÊÇÒ»¸öÃüÁî½âÊÍÆ÷£¬Ëü½âÊÍÓÉÓû§ÊäÈëµÄÃüÁî²¢ÇÒ°ÑËüÃÇË͵½Äںˡ£²»½öÈç´Ë£¬ShellÓÐ×Ô¼ºµÄ±à³ÌÓïÑÔÓÃÓÚ¶ÔÃüÁîµÄ±à¼­£¬ËüÔÊÐíÓû§±àдÓÉshellÃüÁî×é³ÉµÄ³ÌÐò¡£Shell±à³ÌÓïÑÔ¾ßÓÐÆÕͨ±à³ÌÓ ......

LinuxÏ c ÅжÏÒ»¸öÎļþÊÇ·ñ´æÔÚ

#include <stdio.h>
#include <unistd.h>
#define FOO "foo"
int main(void)
{
if(!access(FOO, F_OK))
{
if(!unlink(FOO))
{

}
else
{
printf("remove %s failed\n", FOO);
}
}
else
{
printf("%s not existed\ ......

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time_t time(time_t *timer)
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