Function raxFind

app/redis-6.2.6/src/rax.c:918–927

Find a key in the rax, returns raxNotFound special void pointer value * if the item was not found, otherwise the value associated with the * item is returned. */

 * if the item was not found, otherwise the value associated with the
 * item is returned. */
void *raxFind(rax *rax, unsigned char *s, size_t len) {
    raxNode *h;

    debugf("### Lookup: %.*s\n", (int)len, s);
    int splitpos = 0;
    size_t i = raxLowWalk(rax,s,len,&h,NULL,&splitpos,NULL);
    if (i != len || (h->iscompr && splitpos != 0) || !h->iskey)
        return raxNotFound;
    return raxGetData(h);
}

/* Return the memory address where the 'parent' node stores the specified
 * 'child' pointer, so that the caller can update the pointer with another