2 # ODBC_FUNC(SQLTest, (P(SQLSMALLINT, x), PCHAR(y) WIDE))    11 #ifdef ENABLE_ODBC_WIDE    12 #  define WIDE , int wide    13 #  define PCHAR(a) ODBC_CHAR* a    16 #  define PCHAR(a) SQLCHAR* a    20 #define PCHARIN(n,t) PCHAR(sz ## n), P(t, cb ## n)    21 #define PCHAROUT(n,t) PCHAR(sz ## n), P(t, cb ## n ## Max), P(t FAR*, pcb ## n)    23 #define ODBC_FUNC(name, params) \    24     static SQLRETURN _ ## name params