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 #include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<net/if.h>
static char *bad_interface_names[] = {
            "lo:",
            "lo",
            "stf",     /* pseudo-device 6to4 tunnel interface */
            "gif",     /* psuedo-device generic tunnel interface */
            "dummy",
            "vmnet",
            NULL        /* last entry must be NULL */
        };
static int is_bad_interface_name(char *i) {
    char **p;
    for (p = bad_interface_names; *p; ++p)
        if (strncmp(i, *p, strlen(*p)) == 0)
            return 1;
    return 0;
}
   
/* This finds the first interface which is up and is not the loopback
* interface or one of the interface types listed in bad_interface_names. */
static char *get_first_interface(void) {
    struct if_nameindex * nameindex;
    char *i = NULL;
    int j = 0;
    /* Use if_nameindex(3) instead? */
    nameindex = if_nameindex();
    if(nameindex == NULL) {
        return NULL;
    }
    while(nameindex[j].if_index != 0) {
        if (strcmp(nameindex[j].if_name, "lo") != 0 && !is_bad_interface_name(nameindex[j


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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·¨¡£ ......

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 ¡¶Unix/LinuxϵÄCurses¿â¿ª·¢Ö¸ÄÏ¡·ÓÚ2003ÄêÓÉÇ廪³ö°æÉç³ö°æ£¬ºÏͬÔÚ2008Äê½áÊø¡£ÕâÊǹúÄÚΨһµÄÒ»±¾¹ØÓÚCurses¿â¿ª·¢Ö¸ÄϵÄͼÊé¡£±¾ÊéÎÞÒâÔٰ棬Òò´ËÌØÒ⹫¿ªÈ«ÊéÄÚÈÝ£¬ËùÓеÄÕ½ڻáÖ𽥷ųö¡£Ï£Íû¶Ô´ó¼ÒÓÐÓᣠ......

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#include <pthread.h>
pthread_t pthread_self(void);
pid_t getpid(void);
    getpid()ÓÃÀ´È¡µÃĿǰ½ø³ÌµÄ½ø³Ìʶ±ðÂë,º¯Êý˵Ã÷
    Àý³Ì8
    ³ÌÐòÄ¿µÄ£ºÊµÏÖÔÚн¨Á¢µÄÏß³ÌÖдòÓ¡¸ÃÏ̵߳ÄidºÍ½ø ......

linux»ñÈ¡IPµØÖ·

 #include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
int sock_fd;
struct  my_addr;
struct ifreq ifr;
    unsigned char * addr;
#define ETH_INTERFACE_NAME    "e ......

¡¾Linux¡¿LinuxÎªÍø¿¨¾²Ì¬ÅäÖÃIPµØÖ·µÈ

linuxÖÐÓÃifconfigÎªÍø¿¨ÅäÖÃIPµØÖ·µÈ£¬ÔÚÏµÍ³ÖØÆôºó¾ÍʧЧÁË¡£ÎªÁ˱£Ö¤ÅäÖÃÓÀ¾ÃÉúЧ£¬ÐèÒª²ÉÓÃÐÞ¸ÄÅäÖÃÎļþµÄ¾²Ì¬ÅäÖ÷½·¨£¬×ܽáÈçÏ£º
1. cd /etc/sysconfig/network-scripts¡£
2. vi ifcfg-eth0(Ò²¿ÉÄÜÊÇeth1£¬eth2£¬·Ö±ð¶ÔÓ¦²»Í¬µÄÍø¿¨)
3. ÅäÖÃÄÚÈÝÈçÏ£º
    DEVICE=eth0   //Íø¿¨É豸à ......
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