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    FpLseek

    Set file pointer position.

    Declaration

    Source position: bunxh.inc line 103

    function FpLseek(fd: cint; offset: TOff; whence: cint) : TOff;external name 'FPC_SYSC_LSEEK';

    Description

    FpLSeek sets the current file position of file fd to Offset, starting from Whence, which can be one of the following:

    Seek_Set
    Offset is the absolute position in the file.
    Seek_Cur
    Offset is relative to the current position.
    Seek_end
    Offset is relative to the end of the file.

    The function returns the new file position, or -1 of an error occurred.

    For an example, see FpOpen.

    Errors

    Extended error information can be retrieved using fpGetErrno.

    See also

    Name Description
    FpOpen Open file and return file descriptor.
    FpWrite Write data to file descriptor.
    FpClose Close file descriptor.
    FpRead Read data from file descriptor.
    FpFTruncate Truncate file on certain size.