rem: hPtr = Tcl_FindHashEntry(&cachesTable, name);
add: hPtr = Tcl_FindHashEntry(&caches, name);
context: Ns_CacheFind(char *name){    Tcl_HashEntry *hPtr;    Ns_Cache *cache;        cache = NULL;    Ns_MutexLock(&lock);    if (initialized) {    	hPtr = Tcl_FindHashEntry(&cachesTable, name);        if (hPtr != NULL) {    	    cache = (Ns_Cache *) Tcl_GetHashValue(hPtr);	}    }    Ns_MutexUnlock(&lock);    return cache;}