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SYS_FLEN (0x0C)

11.11 SYS_FLEN (0x0C)

Returns the length of a specified file.

Entry

On entry, R1 contains a pointer to a one-word argument block:
word 1
A handle for a previously opened, seekable file object.

Return

On exit, R0 contains:
  • the current length of the file object, if the call is successful
  • –1 if an error occurs.
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