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std::basic_fstream<CharT,Traits>::native_handle

From cppreference.com
< cpp‎ | io‎ | basic fstream
 
 
 
 
native_handle_type native_handle() const noexcept;
(since C++26)

Returns the implementation defined underlying handle associated with basic_filebuf. The behavior is undefined if is_open() is false.

[edit] Return value

rdbuf()->native_handle()

[edit] Notes

Feature-test macro Value Std Feature
__cpp_lib_fstream_native_handle 202306L (C++26) native handles support

[edit] Example