#ifndef __WAIT_FOR_CLIENT_H_
#define __WAIT_FOR_CLIENT_H_

/* Block the caller until a message is received on sfd,
 * and connect the socket to the source addresse of the received message.
 * @sfd: a file descriptor to a bound socket but not yet connected
 * @return: 0 in case of success, -1 otherwise
 * @POST: This call is idempotent, it does not 'consume' the data of the message,
 * and could be repeated several times blocking only at the first call.
 */
int wait_for_client(int sfd);

#endif