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Asked: 2026-05-15T17:44:32+00:00

I am looking for the code for the c++ string class. What header is

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I am looking for the code for the c++ string class. What header is it implemented in?

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  1. Editorial Team

    There is no single implementation for std::string. But you can find your particular implementation in the <string> header.

    On my system it can be found here:

    /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.0/include/g++-v4/bits/basic_string.h and /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.0/include/g++-v4/bits/basic_string.tcc

    On a Debian-based system:

    ~$ locate basic_string.tcc
/usr/include/c++/4.5/bits/basic_string.tcc
/usr/include/c++/4.6/bits/basic_string.tcc
~$ locate basic_string.h
/usr/include/c++/4.5/bits/basic_string.h
/usr/include/c++/4.6/bits/basic_string.h
~$

    Generally, you are going to be looking for the basic_string template, since std::string is just a specialization of that.

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