RBIL61 - LOCK REGION OF FILE

RBIL61 - LOCK REGION OF FILE

INT 21 - DOS 2+ internal - "SYSVARS" - GET LIST OF LISTS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx51389}{#idx51925}

INT 21 - DOS 3.0+ - "FLOCK" - RECORD LOCKING {#idx52888}

INT 2F - NETWORK REDIRECTOR (DOS 3.x only) - LOCK REGION OF FILE {callout or callback, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx76627}