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i know there is a sound function
but that is best for beepeing as far as i know
i have seen in modren games drum beats are played and all sorts of music
i dont wanna use a wave file or any file...

read this suggestion
understanding pointers

forget the word pointer for a moment.
consider this.
int num1;
here num1 is a variable which is an integer.
which would hold the values of...

pLcd is a variable of struct RGB.
infront of whatever value you will put
(rgb *) it would convert that value to rgb type.
like int num;
(rgb *)num;
num was earlier an integer now it is pointer...

/*
i will try to explain your query this way;
char *strcpy(char *to_string, const char *from_string);
in above line is the declaration of the function strcpy;
normally fuctions are used to return...

yes pointers only hold address in them or we can say the value
held by a pointer is address to some memory location.
why do we malloc?
when ever you declare a pointer suppose
int *num;
now when...

the functions you have given are for files
i am not using files
i want to store an independent node on harddisk
as i understand i might have to access fat for that
but i dont know
i dont...

/*
as you wrote "but when I try to compare it with -1 it
doesnt work and I don't know why."
going through your programm there are certain things which
would be best to ...

when we make a node while programming as soon as the programm finishes it is lost or so to say. at which address
was the node stored cant be know ,unless those address were being stored in some...

as little i know is that operating systems uses rom/bios routines to work with the hardware and in C we can directly access these routines and do the needful by passing software interrupts using...