字符串转换--str ip --.> num ip

#include
#include

int main(void)
{
char ip_str[28];
char *p;
int ip_num[4]={0},i=0;
printf("plesa input ip : \n");
scanf("%s",ip_str);
printf("current str is %s\n,convertion is starting now...\n",ip_str);
p=strtok(ip_str,".");
ip_num[0]=atoi(p);
for(i=1;i<4;i++)
{
p=strtok(NULL,".");
ip_num[i]=atoi(p);
}

printf("convertion have been done, \n ip address is :\n");
for(i=0;i<4;i++)
{
printf("%d",ip_num[i]);
if(i!=3)
printf(".");
}
puts("\n");

return 0;
}