得到计算机的主机名和IP地址
#include
链接库：Wsock32.lib
{
WORD wVersionRequested;
WSADATA wsaData;
char name[255];
CString ip;
PHOSTENT hostinfo;
wVersionRequested = MAKEWORD( 2, 0 );
if ( WSAStartup( wVersionRequested, &wsaData ) == 0 )
{
if( gethostname ( name, sizeof(name)) == 0)
{
if((hostinfo = gethostbyname(name)) != NULL)
{
ip = inet_ntoa (*(struct in_addr *)*hostinfo->h_addr_list);
}
}
WSACleanup( );
}
}
***********************************************
用VC++读取网卡MAC地址的程序
运行VC++6.0，选择创建一个Win32 Console程序，然后输入以下代码：
#include "stdafx.h"
#include
#include
#include
#include
#include
nb30.h #include < nb30.h >
typedef struct _ASTAT_
{
ADAPTER_STATUS adapt;
NAME_BUFFER NameBuff [30];
}ASTAT, * PASTAT;
ASTAT Adapter;
void getmac_one (int lana_num)
{
NCB ncb;
UCHAR uRetCode;
memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBRESET;
ncb.ncb_lana_num = lana_num;
uRetCode = Netbios( &ncb );
printf( "The NCBRESET return code is:
0x%x \n", uRetCode );
memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBASTAT;
ncb.ncb_lana_num = lana_num;
strcpy( (char *)ncb.ncb_callname,
"* " );
ncb.ncb_buffer = (unsigned char *) &Adapter;
ncb.ncb_length = sizeof(Adapter);
uRetCode = Netbios( &ncb );
printf( "The NCBASTAT
return code is: 0x%x \n", uRetCode );
if ( uRetCode == 0 )
{
printf( "The Ethernet Number[%d]
is: %02X%02X-%02X%02X-%02X%02X\n",
lana_num,
Adapter.adapt.adapter_address[0],
Adapter.adapt.adapter_address[1],
Adapter.adapt.adapter_address[2],
Adapter.adapt.adapter_address[3],
Adapter.adapt.adapter_address[4],
Adapter.adapt.adapter_address[5]);
}
}
int main(int argc, char* argv[])
{
NCB ncb;
UCHAR uRetCode;
LANA_ENUM lana_enum;
memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBENUM;
ncb.ncb_buffer = (unsigned char *) &lana_enum;
ncb.ncb_length = sizeof(lana_enum);
uRetCode = Netbios( &ncb );
printf( "The NCBENUM return
code is:
0x%x \n", uRetCode );
if ( uRetCode == 0 )
{
printf( "Ethernet Count is : %d\n\n", lana_enum.length);
for ( int i=0; i< lana_enum.length; ++i)
getmac_one( lana_enum.lana);
}
return 0;
}
----------------------------------------------------------
***********************************************
解决VC++语言程序中的2000年问题
PROCTIME.C源程序清单:
#include
#include
#include
void goto_ xy(int x,int y)
{
union REGS r;
r.h.ah=2; r.h.bh=0;
r.h.dh=(char)x;
r.h.dl=(char)y;
int86(0x10,&r,&r);
}
get_key()
{
union REGS r;
r.h.ah=0;
return int86(0x16,&r,&r);
}
int wherex()
{int x;
union REGS r;
r.h.ah=3; r.h.bh=0;
int86(0x10,&r,&r);
(char)x=r.h.dh;
return x;
}
int wherey()
{ int y;
union REGS r;
r.h.ah=3; r.h.bh=0;
int86(0x10,&r,&r);
(char)y=r.h.dl;
return y;
}
void write_video(int x,int y,char *p,int attrib)
{
register int I;
union REGS r;
for (I=y;*p;I++) {
if (*p==\n)
{ goto_ xy(x+1,2);break; }
goto_ xy(x,I);
r.h.ah=9; r.h.bh=0;
r.x.cx=1; r.h.al=*p++;
r.h.bl=(char)attrib;
int86(0x10,&r,&r);
}
}
void disptime(int x,int y)
{
struct tm *newtime;
time_t aclock;
long startsec,currsec;
int dqx,dqy,YEAR;
char sj[50],week[3];
time(&aclock);
newtime=localtime(&aclock);
YEAR=newtime-＞tm_year+1990
startsec=newtime-＞tm_sec;
switch(newtime-＞tm_wday)
{
case 0: strcpy(week,"日"); break;
case 1: strcpy(week,"一"); break;
case 2: strcpy(week,"二"); break;
case 3: strcpy(week,"三"); break;
case 4: strcpy(week,"四"); break;
case 5: strcpy(week,"五"); break;
case 6: strcpy(week,"六"); break;
}
while(!kbhit())
{
time(&aclock);
newtime=localtime(&aclock);
sprintf(sj,"%d.%2d.%2d 星期%s %d:%2d:%2d",YEAR,newtime-＞tm_mon+1,newtime- ＞tm_mday,week,newtime-＞tm_hour,newtime-＞tm_min,newtime-＞tm_sec);
currsec=newtime-＞tm_sec;
if(startsec!=currsec)
{
dqx=wherex(); dqy=wherey();
write_video(x,y,sj,0x0a);
goto_ xy(dqx,dqy);
return;
}
}
}
main ()
{
union inkey { char ch[2]; int I; }c;
for(;;) {
for(;;) {
if (kbhit()) { c.I=get_key(); break; }
disptime(0,54);
if (c.ch[0]==27) exit(0);
}
}
}