basic_ios::narrow

Finds the equivalent char to a given char_type.

char narrow(
    char_type _Char,
    char _Default = '\0'
) const;

Parameters

• _Char
  The char to convert.

• _Default
  The char that you want returned if no equivalent is found.

Return Value

The equivalent char to a given char_type.

Remarks

The member function returns use_facet< ctype<E> >( getloc( ) ). narrow(_Char, _Default).

Example

// basic_ios_narrow.cpp
// compile with: /EHsc
#include <ios>
#include <iostream>
#include <wchar.h>

int main( ) 
{
   using namespace std;
   wchar_t *x = L"test";
   char y[10];
   cout << x[0] << endl;
   wcout << x << endl;
   y[0] = wcout.narrow( x[0] );
   cout << y[0] << endl;
}

Output

116
test
t

Requirements

Header: <ios>

Namespace: std

See Also

Reference

basic_ios Class

iostream Programming

iostreams Conventions