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ifreq if_data;
strcpy(if_data.ifr_name, NETWORK_NAME);//NETWORK_NAME:你网卡的名字
if( ioctl(m_sockSyn, SIOCGIFADDR, &if_data) < 0)
{
return -1;
}
memcpy( &addr_in, &if_data.ifr_addr, sizeof(addr_in));
m_addrSourceIp = addr_in;
#include <stdio.h>
#include <conio.h>
#include <malloc.h>
struct node
{
int a;
struct node *next;
};
typedef struct node AA;
AA *zhu()
{
AA *head,*a1;
a1=(AA *)malloc(sizeof(AA));
a1->a=10;
a1->next=NULL;
head=a1;
return head;
}
void print( AA *head)
{
printf("%d",head->a);
head=head->next;
}
int main()
{
AA *head;
head=zhu();
print(head);
getch();
return 0;
}