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Message: [QUOTE="Hemanth, post: 2429734"] I want to read a file using fread() and then put it in to memory. I ......I believe, a queue implementation suits well for this case (for eg. if you want to process file with size larger than main memory, you have to read it in chunks of constant size and store it in a buffer). Here the queue can act as a buffer. Queue can be implemented using a single linked list (maintain both first and last pointers, always add nodes at Last and remove First Node --FIFO) Eg. struct node { char* buffer; //Replace char* with whatever you want struct node* first; struct node* last; }; - Construct a queue with "n" nodes; - Remove first node (process data and clear buffer) - Read another chunk of data from file and add it as a last node in queue. You can keep loop the last two steps. .......search for a Queue implementation on google. - Hemanth [/QUOTE]