F$ClrBlk
From NitrOS-9
| Clear Specified Block | Marks blocks in the process DAT image as unallocated |
| OS9 F$ClrBlk 103F 50 |
Entry Conditions
B number of blocks
U address of first block
Exit Conditions
None
Error Output
CC carry set on error
B error code, if any
Additional Information
- After Clear Specified Block deallocates blocks, the blocks are free for the process to use for other data or program areas. If the block address passed to Clear Specified Block is invalid or if the call attempts to clear the stack area, it return E$IBA.
krnp2
