Table of Contents

Note: This API call is for DOS and Win16 personality only. Use Family API for portability.

2018/09/07 05:04 · prokushev · 0 Comments

Int 21H, AH=3EH

Version

2 and higher

Brief

“CLOSE” - CLOSE FILE

Family API

Input

Return

Notes

if the file was written to, any pending disk writes are performed, the time and date stamps are set to the current time, and the directory entry is updated

recent versions of DOS preserve AH because some versions of Multiplan had a bug which depended on AH being preserved

See also

AH=10h,AH=3Ch,AH=3Dh,INT 2F/AX=1106h,INT 2F/AX=1227h

Note

Text based on Ralf Brown Interrupt List Release 61

2018/09/04 17:23 · prokushev · 0 Comments