how about display the item's name instead of the ID ?
try this
/*==========================================
* @whosell - List who is vending the item (amount, price, and location).
* revamped by VoidLess, original by zephyrus_cr
*------------------------------------------*/
ACMD_FUNC(whosell)
{
char item_name[100];
int item_id = 0, j, count = 0, sat_num = 0;
int s_type = 1; // search bitmask: 0-name,1-id, 2-card, 4-refine
int refine = 0,card_id = 0;
bool flag = 1; // place dot on the minimap?
struct map_session_data* pl_sd;
struct s_mapi