void sock_cleanup(void );
int extract_port(char *str, short *port_ptr);
int extract_host_port(char *str,char **host_ptr,unsigned char *ip,short *p);
void sock_cleanup(void );
int extract_port(char *str, short *port_ptr);
int extract_host_port(char *str,char **host_ptr,unsigned char *ip,short *p);