{{keywords>wiki library source code example reference}}
====== tolower ======
<code cpp>
    #include <cctype>
    int tolower( int char );
</code>
    Returns lower case type of the character

===== cpp Sourcecode Example =====
<code cpp>
#include <iostream> /* including standard library */
#include <cctype>

using namespace std;
int main ( void )
{
  /* convert the Chars "I" and "T" to lowercase */
  cout << static_cast<char>(tolower('I')) << " WHANT " << static_cast<char>(tolower('T')) << "HIS IN LOWERCASE" << endl;

return 0;
}
</code>
==== output ====
    output:
    i WHANT tHIS IN LOWERCASE