Function 23h Get File Size (FCB)Searches current subdirectory for matching file, returns size in Struct -FCB
entry AH 23h
DS:DX address of an unopened Struct -FCB
return AL 00h file found
0FFh file not found
note 1) Record size field (offset 0Eh) must be set before invoking this function
2) The disk directory is searched for the matching entry. If a matching
entry is found, the random record field is set to the number of records
in the file. If the value of the Record Size field is not an even
divisor of the file size, the value set in the relative record field is
rounded up. This gives a returned value larger than the actual file size
3) This call is used by the APPEND command in DOS 3.2+
file: /Techref/INT/21f/23.htm, 0KB, , updated: 1999/4/26 12:31, local time: 2024/10/8 17:50,
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