#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
#define SO_RCVTIMEO 18
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
#define SO_RCVTIMEO 18