reference/a00143_source.html

#if 0

# ODBC_FUNC(SQLTest, (P(SQLSMALLINT, x), PCHAR(y) WIDE))

#endif


#undef WIDE

#undef P

#undef PCHAR

#undef PCHARIN

#undef PCHAROUT


#ifdef ENABLE_ODBC_WIDE

#  define WIDE , int wide

#  define PCHAR(a) ODBC_CHAR* a

#else

#  define WIDE

#  define PCHAR(a) SQLCHAR* a

#endif


#define P(a,b) a b

#define PCHARIN(n,t) PCHAR(sz ## n), P(t, cb ## n)

#define PCHAROUT(n,t) PCHAR(sz ## n), P(t, cb ## n ## Max), P(t FAR*, pcb ## n)


#define ODBC_FUNC(name, params) \

    static SQLRETURN _ ## name params