/ cat / extern
External Function Management

`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.
`VarPtr` | Returns a pointer that points at the contents of a variable. Only in 3.0 version

### See also

External Function Declaration