Netstr: module{	PATH:		con "/dis/lib/netstr.dis"; 	readstr:	fn(fd: ref Sys->FD): (string, string);	readbytes:	fn(fd: ref Sys->FD): (array of byte, string);	writestr:	fn(fd: ref Sys->FD, s: string): string;	writebytes:	fn(fd: ref Sys->FD, a: array of byte): string;	packstr:	fn(s: string): string;	packbytes:	fn(a: array of byte): array of byte;	unpackstr:	fn(s: string): (string, string);	unpackbytes:	fn(a: array of byte): (array of byte, string);};