INT 21 - DOS 3.3+ - "FFLUSH" - COMMIT FILE
AH = 68h
BX = file handle
Return: CF clear if successful
all data still in DOS disk buffers is written to disk immediately,
and the file's directory entry is updated
CF set on error
AX = error code (see AH=59h)
SeeAlso: AH=6Ah,INT 2F/AX=1107h

See also: 215D01

2168 - DOS 3.3+ - "FFLUSH" - COMMIT FILE