More error texts.

lib/ansi/errlist.c

@@ -82,6 +82,9 @@ const char *_sys_errlist[] = {
 	"Operation in progress",	/* EINPROGRESS */
 	"Address not available",	/* EADDRNOTAVAIL */
 	"Connection already in progress", /* EALREADY */
+	"Message too long",		/* EMSGSIZE */
+	"Socket operation on non-socket", /* ENOTSOCK */
+	"Protocol not available",	/* ENOPROTOOPT */
 };
 
 const int _sys_nerr = sizeof(_sys_errlist) / sizeof(_sys_errlist[0]);