extern uschar *lf_quote(uschar *, uschar *, int, uschar *, int *, int *);
extern int lf_sqlperform(const uschar *, const uschar *, const uschar *,
const uschar *, uschar **,
extern uschar *lf_quote(uschar *, uschar *, int, uschar *, int *, int *);
extern int lf_sqlperform(const uschar *, const uschar *, const uschar *,
const uschar *, uschar **,