LPPROTOENT WSAAPI getprotobyname ( IN CONST CHAR FAR * name )
Definition at line 274 of file getproto.c.
{
    PWSPROCESS Process;
    PWSTHREAD Thread;
    INT ErrorCode;
    PPROTOENT Protoent;
    PVOID GetProtoBuffer; 
    HANDLE DbHandle;
    DPRINT("getprotobyname: %s\n", name);

    /* Enter prolog */
    if ((ErrorCode = WsApiProlog(&Process, &Thread)) != ERROR_SUCCESS)
    {
        /* Leave now */
        SetLastError(ErrorCode);
        return NULL;
    }

    /* Get our buffer */
    GetProtoBuffer = WsThreadGetProtoBuffer(Thread);
    if (!GetProtoBuffer)
    {
        /* Fail */
        SetLastError(WSANO_DATA);
        return NULL;
    }

    /* Open the network database */
    DbHandle = GetProtoOpenNetworkDatabase("protocol");
    if (DbHandle == INVALID_HANDLE_VALUE)
    {
        /* Couldn't open the DB; fail */
        SetLastError(WSANO_DATA);
        return NULL;
    }

    /* Start the scan loop */
    while (TRUE)
    {
        /* Get a protoent entry */
        Protoent = GetProtoGetNextEnt(DbHandle, GetProtoBuffer);

        /* Break if we didn't get any new one */
        if (!Protoent) break;

        /* Break if we have a match */
        if (!_stricmp(Protoent->p_name, name)) break;
    }

    /* Close the network database */
    CloseHandle(DbHandle);

    /* Set error if we don't have a protoent */
    if (!Protoent) SetLastError(WSANO_DATA);

    /* Return it */
    return Protoent;
}
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