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Top Forums Programming printf("%c[%d;%df",0x1B,y,x); Post 302109453 by brain_full on Tuesday 6th of March 2007 01:37:39 AM
Old 03-06-2007
printf("%c[%d;%df",0x1B,y,x);

Can u tell me how to understand the line below

printf("%c[%d;%df",0x1B,y,x);
Actually a function is written as
void gotoxy(int x,int y)
{
printf("%c[%d;%df",0x1B,y,x);
}

I wanted to know that why %c[%d;%df is used.I mean to say why and when
[ and ; is used in between %c and %d in printf statement and 0x1b is passed to %c. I know gotoxy (in above) is used to place the cursor at (row,column).So what happen internally i wanted to know?
i am very thank full that u people help me by giving ur precious time.
One more question here
i do not understand that function used for clear screen (given below)
cls
{
union REGS i,o;
i.h.ah=6;
i.h.al=0;
i.h.ch=0;
i.h.cl=0;
i.h.dh=24;
i.h.dl=79;
i.h.bh=7;
int86(16,&i,&o);
}
In Above function Registers are used(i think) but why and internally what the do for clearing the screen , i do not understand.


Thanks in advance

Last edited by brain_full; 03-07-2007 at 11:22 AM..
 

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Net::NBName::NodeStatus::RR(3pm)			User Contributed Perl Documentation			  Net::NBName::NodeStatus::RR(3pm)

NAME
Net::NBName::NodeStatus::RR - NetBIOS Node Status Response Resource Record DESCRIPTION
Net::NBName::NodeStatus::RR represents a name table entry returned as part of a NetBIOS node status response. METHODS
$rr->name Returns the registered name (a string of up to 15 characters). $rr->suffix The suffix of the registered name (the 16th character of the registered name). Some common suffixes include: 0x00 Redirector 0x00 Domain (Group) 0x03 Messenger 0x1B Domain Master Browser 0x1C Domain Controllers (Special Group) 0x1D Master Browser 0x1E Browser Elections (Group) 0x20 Server $rr->G Group flag. Indicates whether the name is a unique or a group name. It is returned as a string: either "UNIQUE" or "GROUP" will be returned. For example, the following name types are UNIQUE: 0x00 Redirector 0x03 Messenger 0x1B Domain Master Browser 0x1D Master Browser 0x20 Server And the following name types are GROUP: 0x00 Domain (Group) 0x1C Domain Controllers (Special Group) 0x1E Browser Elections (Group) $rr->ONT Owner Node Type flag. Indicates if the systems are B, P, H, or M-node. It will be returned as a string. $rr->DRG Deregistering flag. "Deregistering" will be returned if the name is not currently registered. $rr->ACT Active flag. $rr->CNF Conflict flag. $rr->PRM Permanent flag. $rr->as_string Returns the object's string representation. SEE ALSO
Net::NBName, Net::NBName::NodeStatus COPYRIGHT
Copyright (c) 2002, 2003, 2004 James Macfarlane. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.8.8 2006-06-25 Net::NBName::NodeStatus::RR(3pm)
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