The AddAtom, GlobalAddAtom, FindAtom, and GlobalFindAtom functions take a pointer to a null-terminated string. An application can specify this pointer in one of the following ways.
| Format | Description |
| #dddd | An integer specified as a decimal string. Used to create or find an integer atom. |
| string atom name | A string atom name. Used to add a string atom name to an atom table and receive an atom in return. |