third_party/musl/arch/x32/bits/socket.h - cobalt - Git at Google

 #define SO_RCVTIMEO     20
 #define SO_SNDTIMEO     21
 #define SO_TIMESTAMP    29
 #define SO_TIMESTAMPNS  35
 #define SO_TIMESTAMPING 37
	#define SO_RCVTIMEO 20
	#define SO_SNDTIMEO 21
	#define SO_TIMESTAMP 29
	#define SO_TIMESTAMPNS 35
	#define SO_TIMESTAMPING 37