upper_case
NAME
upper_case() - returns a string with every letter supplied in the source
capitalised.
SYNOPSIS
string upper_case(string text);
DESCRIPTION
Returns a new string with every character in <text> converted to upper case.
EXAMPLE
string text = upper_case( "I like cheese." ) ; // "I LIKE CHEESE."
SEE ALSO
capitalize(3), lower_case(3)