ESOCKTNOSUPPORT   136 lib/errno.in.h #  define ESOCKTNOSUPPORT 10044  /* not required by POSIX */
ESOCKTNOSUPPORT   189 nt/inc/sys/socket.h #undef ESOCKTNOSUPPORT
ESOCKTNOSUPPORT   191 nt/inc/sys/socket.h #define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT