Use FreeBSD SO_ constants on newlib

This is necessary to set socket options on the Nintendo Switch, which uses a socket implementation directly ported from FreeBSD.

Author: leo60228

src/unix/newlib/mod.rs

@@ -431,6 +431,42 @@ pub const S_IROTH: ::mode_t = 4;
 pub const S_IWOTH: ::mode_t = 2;
 pub const S_IXOTH: ::mode_t = 1;
 
+pub const SO_BINTIME: ::c_int = 0x2000;
+pub const SO_NO_OFFLOAD: ::c_int = 0x4000;
+pub const SO_NO_DDP: ::c_int = 0x8000;
+pub const SO_REUSEPORT_LB: ::c_int = 0x10000;
+pub const SO_LABEL: ::c_int = 0x1009;
+pub const SO_PEERLABEL: ::c_int = 0x1010;
+pub const SO_LISTENQLIMIT: ::c_int = 0x1011;
+pub const SO_LISTENQLEN: ::c_int = 0x1012;
+pub const SO_LISTENINCQLEN: ::c_int = 0x1013;
+pub const SO_SETFIB: ::c_int = 0x1014;
+pub const SO_USER_COOKIE: ::c_int = 0x1015;
+pub const SO_PROTOCOL: ::c_int = 0x1016;
+pub const SO_PROTOTYPE: ::c_int = SO_PROTOCOL;
+pub const SO_VENDOR: ::c_int = 0x80000000;
+pub const SO_DEBUG: ::c_int = 0x01;
+pub const SO_ACCEPTCONN: ::c_int = 0x0002;
+pub const SO_REUSEADDR: ::c_int = 0x0004;
+pub const SO_KEEPALIVE: ::c_int = 0x0008;
+pub const SO_DONTROUTE: ::c_int = 0x0010;
+pub const SO_BROADCAST: ::c_int = 0x0020;
+pub const SO_USELOOPBACK: ::c_int = 0x0040;
+pub const SO_LINGER: ::c_int = 0x0080;
+pub const SO_OOBINLINE: ::c_int = 0x0100;
+pub const SO_REUSEPORT: ::c_int = 0x0200;
+pub const SO_TIMESTAMP: ::c_int = 0x0400;
+pub const SO_NOSIGPIPE: ::c_int = 0x0800;
+pub const SO_ACCEPTFILTER: ::c_int = 0x1000;
+pub const SO_SNDBUF: ::c_int = 0x1001;
+pub const SO_RCVBUF: ::c_int = 0x1002;
+pub const SO_SNDLOWAT: ::c_int = 0x1003;
+pub const SO_RCVLOWAT: ::c_int = 0x1004;
+pub const SO_SNDTIMEO: ::c_int = 0x1005;
+pub const SO_RCVTIMEO: ::c_int = 0x1006;
+pub const SO_ERROR: ::c_int = 0x1007;
+pub const SO_TYPE: ::c_int = 0x1008;
+
 pub const SOL_SOCKET: ::c_int = 65535;
 pub const SOL_TCP: ::c_int = 6;