harshkn

window.onload = function () {
// focus on the input field for easy access...
var input = document.getElementById ('focusme');
input.focus ();
// ...but if someone wishes to go back in their history, let them!
document.onkeydown = function (e) {
if (!e) {
var e = window.event;
}
if (e.keyCode === 8 && !input.value) {

harshkn

typedef struct circular_buffer
{
    void *buffer;     // data buffer
    void *buffer_end; // end of data buffer
    size_t capacity;  // maximum number of items in the buffer
    size_t count;     // number of items in the buffer
    size_t sz;        // size of each item in the buffer
    void *head;       // pointer to head
    void *tail;       // pointer to tail
} circular_buffer;