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In the third parameter to either the constructor or the open() function, you specify one of the following:<br />
<br />
filebuf::openprot, which is equivalent to the operating system default, filebuf::sh_compat, under MS-DOS. The possible nProt values are as follows:<br />
filebuf::sh_compat   Compa<wbr />tibility share mode (MS-DOS only).<br />
filebuf::sh_none   Exclusi<wbr />ve mode — no sharing.<br />
filebuf::sh_read   Read sharing allowed.<br />
filebuf::sh_write   Write sharing allowed.<br />
<br />
let me know if this solves what you're asking<br />

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In the third parameter to either the constructor or the open() function, you specify one of the following:

filebuf::openprot, which is equivalent to the operating system default, filebuf::sh_compat, under MS-DOS. The possible nProt values are as follows:
filebuf::sh_compat   Compatibility share mode (MS-DOS only).
filebuf::sh_none   Exclusive mode — no sharing.
filebuf::sh_read   Read sharing allowed.
filebuf::sh_write   Write sharing allowed.

let me know if this solves what you're asking


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how can i make file share in c++ fstream?<br />
and not be the _FSOPEN or SOPEN.
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how can i make file share in c++ fstream?
and not be the _FSOPEN or SOPEN.

Shareing Files in C++

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.