DosGetDBCSEv

typedef struct _COUNTRYCODE {   /* ctryc */
 
  USHORT country;               /* country code */
  USHORT codepage;              /* code page */
 
} COUNTRYCODE;

#define INCL_DOSNLS

USHORT  rc = DosGetDBCSEv(Length, Structure, MemoryBuffer);

USHORT           Length;        /* Length of data area provided */
PCOUNTRYCODE     Structure;     /* Input data structure */
PCHAR            MemoryBuffer;  /* DBCS environmental vector (returned) *

USHORT           rc;            /* return code */