#ifndef DISABLE_PIPE_CONNECT
extern const pcre2_code *regex_EARLY_PIPE; /* For recognizing PIPE_CONNCT */
#endif
+extern int regex_cachesize; /* number of entries */
extern const pcre2_code *regex_ismsgid; /* Compiled r.e. for message ID */
extern const pcre2_code *regex_smtp_code; /* For recognizing SMTP codes */
extern const uschar *regex_vars[]; /* $regexN variables */