boost::urls::default_port

Return the default port for a known scheme

Synopsis

Declared in <include/boost/url/scheme.hpp>

std::uint16_t
default_port(scheme s) noexcept;

Description

This function returns the default port for the known schemes. If the value does not represent a known scheme or the scheme does not represent a protocol, the function returns zero.

The following ports are returned by the function:

  • scheme::ftp = 21
  • scheme::http , scheme::ws = 80
  • scheme::https , scheme::wss = 443

    • Return Value

    An integer with the default port number

    Parameters

    Name Description
    s

    The known scheme constant

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