FAQ CConsultez toutes les FAQ

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#define _WIN32_WINNT 0x0500 /* GetComputerNameEx n'existe que depuis Windows 2000 (Windows NT 5.0 *) */ 
  
#include <stdio.h> 
#include <windows.h> 
  
int main(void) 
{ 
    char lpBuffer[256]; 
    DWORD dwBufLength = sizeof(lpBuffer); 
  
    /* ComputerNameDnsFullyQualified indique qu'on veut le nom complet de la machine (HostName.DomainName). */ 
  
    if (GetComputerNameEx(ComputerNameDnsFullyQualified, lpBuffer, &dwBufLength)) 
        printf("%s\n", lpBuffer); 
    else 
        fprintf(stderr, "La fonction GetComputerNameEx a echoue.\n"); 
  
    return 0; 
}

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#include <stdio.h> 
#include <unistd.h> 
  
int main(void) 
{ 
    char hostname[256]; 
  
    if (gethostname(hostname, sizeof(hostname)) == 0) 
        printf("%s\n", hostname); 
    else 
        fprintf(stderr, "La fonction gethostname a echoue.\n"); 
  
    return 0; 
}

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void PrintIp(const char * HostName) 
{ 
    struct hostent * host; 
    struct in_addr addr; 
  
    if ((host = gethostbyname(HostName)) != NULL) 
    { 
        int i; 
  
        for(i = 0; host->h_addr_list[i] != NULL; i++) 
        { 
            memcpy(&addr.s_addr, host->h_addr_list[i], sizeof(addr.s_addr)); 
            printf("IP : %s\n", inet_ntoa(addr)); 
        } 
    } 
    else 
        printf("La fonction gethostbyname a echoue.\n"); 
}