Pointers
From MidrangeWiki
| Name | Address | Value |
|---|---|---|
| MyVariable | 00 00 00 01 | B Y E . |
| 00 00 00 05 | H E L L | |
| 00 00 00 09 | 0 . 00 00 | |
| MyPointer | 00 00 00 0C | 00 00 00 05 |
The valiable MyVariable above is 4 alpha characters and contains the value "BYE." The variable MyPointer above points to the memory at address 5 and that memory contains the value "HELLO."
A pointer is a variable that holds a reference to space in memory. That area of memory can contain anything.
Pointers can be used many languages ... RPG, COBOL, C, even CLP.
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