argc:asmname '_p_argc' Integer;
procedure argv(no:Integer;var str:UNIXfilename); external;
function testreadaccess(var a:UNIXfilename):boolean; external;
procedure setpaths; external;
function testaccess(accessmode:integer; filepath:integer): boolean; external;
function flength(var f: bytefile):integer; external;
procedure bseek(var f: bytefile; loc: integer); external;
procedure flushstdout; external;
procedure readbyte(var f: bytefile; var v: ByteCard); external;