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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 11:31, local time: 2024/2/22 23:18,
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