/ cat / extern | Alloc | Allocates a memory block. |
| EXTERN | Declares an external function. |
| Free | Frees a memory block allocated with Alloc. |
| LIBRARY | Defines the library where external functions are located. |
| Realloc | Shrinks or expands a memory block allocated with Alloc. |
| StrPtr | Returns a copy of a zero-terminated string located at a given memory address. |