/* dial -- open a TCP/IP connection to fqdn over port proto (or the port that   */
/* corresponds to it, according to /etc/services)                               */
/*                                                                              */
/* fqdn -- character string containing the FQDN of the fqdn we're connecting to */
/* proto -- character string containing either a numeric port spec or a human   */
/* readable protocol specification, such as "http"                              */
/* return values                                                                */
/*  sd -- successful connection returns a file descriptor connected to the fqdn */
/* ERRCONN -- couldn't connect                                                  */
/* ERRADDR -- couldn't get addrinfo                                             */
int dial(const char *fqdn, const char *proto);