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Hi All, can somebody give me any idea for implementing polymorphisam and virtual functions in C Thanks

Hi All, #define VCALL(OX, CX, MX) (*((CX##Class)(((Object)(OX))->__vptr))->MX)((CX)(OX) In the above line whats the meaning of using ##? Thanks

Can somebody give me source code of using MFComm activex or dll in VC++ application. Thanx

Dear Friends, I want to allocate a large chunk of memeory of about 200K dynamically. When I call malloc its not able to allocate that much memory and neither its returning a null pointer. Is there any other way to make sure that it allocates that much memory? my code is char...

Can anyone plz help in converting a string in ascii format to unicode. A C pgm for convertion. Regards

Dear friend, If i write unsigned char c; c=2; printf(&quot;The value after bit shift is %d&quot;,(c<<16); Is it a valid syntax will i get an exact answer? I am getting zero for this why?? As I am not storing this value to any other variable i must get...

Instead of dividing width by 2 go for bitshift.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As dividing instruction ultimatley breaks down into a set of bitshifts.<br><br>&nbsp;&nbsp;&nbsp;Istead of using temp for swapping use this...

Can anybody plz tell me where i can get a cross compiler for any chip say 8086 or motorola etc for free<br>

Hey..<br>&nbsp;&nbsp;&nbsp;Inwindows mode U ca'nt use inport &outport<br>instructions as in DOS.<br>So u will have use sockets.<br>Call this socket API's in ur programme.<br>

execution timing of an instruction is calculated by<br><br>1.Total Time taken<br><br>&nbsp;&nbsp;numberofclockcycles needed to execute that instruction multiplied by the clocks period so here<br>total no of cycles is 2+2+2+1+3+2+2<br>14*10**-6.<br><br>2.USE ++a or a++ instruction as it takes...