Set a locale for the ctype and multibyte functions. This controls alphabetic ordering in strcoll() and strxfrm(). Set a locale for string collation routines. These are the categories and the sets of routines they select: The setlocale() function recognizes several categories of routines. Each such style is called a 'locale' and is invoked using an appropriate name passed as a C string. The Setlocale function sets the C library's notion of natural language formatting style for particular sets of routines. setlocale(category as Integer, locale as string) as string Type