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    FpFtruncate

    Truncate file on certain size.

    Declaration

    Source position: bunxh.inc line 105

    function FpFtruncate(fd: cint; flength: TOff) : cint;external name 'FPC_SYSC_FTRUNCATE';

    Description

    FpFTruncate sets the length of a file in fd on flength bytes, where flength must be less than or equal to the current length of the file in fd.

    The function returns zero if the call was successful, a nonzero return value indicates that an error occurred.

    Errors

    Extended error information can be retrieved using fpGetErrno.

    See also

    Name Description
    FpOpen Open file and return file descriptor.
    FpClose Close file descriptor.
    FpRead Read data from file descriptor.
    FpWrite Write data to file descriptor.
    FpLSeek Set file pointer position.