int extract_host_port(char *str,char **host_ptr,unsigned char *ip,short *p);
int host_ip(char *str, unsigned char ip[4]);
-long MS_CALLBACK bio_dump_cb(BIO *bio, int cmd, char *argp,
+long MS_CALLBACK bio_dump_cb(BIO *bio, int cmd, const char *argp,
int argi, long argl, long ret);
#ifdef HEADER_SSL_H