extern uschar * fn_hdrs_added(void);
-extern void gstring_grow(gstring *, int, int);
-
extern void header_add(int, const char *, ...);
extern int header_checkname(header_line *, BOOL);
extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
extern void log_close_all(void);
extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
+extern BOOL macro_read_assignment(uschar *);
+extern uschar *macros_expand(int, int *, BOOL *);
extern void mainlog_close(void);
#ifdef WITH_CONTENT_SCAN
extern int malware(const uschar *, int);