INT 2F U - NLSFUNC.COM - GET COUNTRY INFO
        AX = 1402h
        BP = subfunction (same as AL for INT 21/AH=65h)
        BX = code page
        DX = country code
        DS:SI -> internal code page structure (see AX=1401h)
        ES:DI -> user buffer
        CX = size of user buffer
Return: AL = status
            00h successful
            else DOS error code
Notes:  called by DOS v3.3+ kernel on INT 21/AH=65h
        code page structure apparently only needed for COUNTRY.SYS pathname
SeeAlso: AX=1403h"NLSFUNC",AX=1404h,INT 21/AH=65h