linuxc获取mac
linuxc获取mac
#include
#include
#include
#include
#include
#include
char *get_local_mac(char *if_name){
struct ifreq m_ifreq;
int sock = 0;
char mac[32] = " ";
sock = socket(AF_INET,SOCK_STREAM,0);
strcpy(m_ifreq.ifr_name,if_name);
ioctl(sock,SIOCGIFHWADDR,&m_ifreq);
int i = 0;
for(i = 0; i < 6; i++){
sprintf(mac+3*i, "%02X:", (unsigned char) m_ifreq.ifr_hwaddr.sa_data[i]);
}
mac[strlen(mac) - 1] = 0;
printf("MAC: %s\n", mac);
return NULL;
}
int main(){
get_local_mac("eth0");
return 0;
}
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