_std/macros/items.dm 
| isitem | Returns true if the given x is an item. |
|---|---|
| isgrab | Returns true if the given x is a grab (obj/item/grab) |
| equipped_or_holding | Returns true if x is equipped or inside & usable in what's equipped (currently only applicable to magtractors) |
| IS_WORN_BY_SOMEONE_OTHER_THAN | Returns TRUE if item is worn by a human other than user, FALSE otherwise |
| IS_NPC_ILLEGAL_ITEM | Returns TRUE if the item is something that NPCs should not be able to pick up |
Define Details
IS_NPC_ILLEGAL_ITEM 
Returns TRUE if the item is something that NPCs should not be able to pick up
IS_WORN_BY_SOMEONE_OTHER_THAN 
Returns TRUE if item is worn by a human other than user, FALSE otherwise
equipped_or_holding 
Returns true if x is equipped or inside & usable in what's equipped (currently only applicable to magtractors)
isgrab 
Returns true if the given x is a grab (obj/item/grab)
isitem 
Returns true if the given x is an item.