vc api_获取系统信息和用户信息

#include <windows.h>
#include <stdio.h>
void GetSysInfo(){

	char szComputerName[MAXBYTE]={0};
	char szUserName[MAXBYTE]={0};
	unsigned long nSize=MAXBYTE;
	OSVERSIONINFO OsVer;
	OsVer.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
	GetVersionEx(&OsVer);

	if(OsVer.dwPlatformId==VER_PLATFORM_WIN32_NT){
		if(OsVer.dwMajorVersion==5 && OsVer.dwMinorVersion==1){
			printf("window xp %s\r\n",OsVer.szCSDVersion);
		}
		else if(OsVer.dwMajorVersion==5 && OsVer.dwMinorVersion==0){
			printf("windows 2k \r\n");
		}
		else if(OsVer.dwMajorVersion==6 && OsVer.dwMinorVersion>=1){
			printf("windows win7 \r\n");
		}
	}
	else{
		printf("ohter system \r\n");
	}
	GetComputerName(szComputerName,&nSize);
	printf("computer name is %s \r\n",szComputerName);

	nSize=MAXBYTE;
	GetUserName(szUserName,&nSize);
	printf("user name is %s \r\n",szUserName);
}

int main()
{
	GetSysInfo();
	system("pause");
return 0;
}