devxlogo

Namespaces and the C Standard Library

Why Trust Us

The C++ Standard requires that the C standard library be declared in namespace std, just as the C++ Standard Library. Thus, if you #include and call printf(), you should use a fully qualified name, a using-declaration, or a using-directive. For example:

 #include int main (){ std::printf (






Charlie has over a decade of experience in website administration and technology management. As the site admin, he oversees all technical aspects of running a high-traffic online platform, ensuring optimal performance, security, and user experience.
See also  How Engineering Leaders Spot Weak Proposals
Disclosure

About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

Show More