// Replace *[100]_Ctype_foo with *[100]C.foo.
	// If we're using -x, assume we're debugging and want the full dump, so disable the rewrite.
	if !cfg.BuildX && cgoLine.MatchString(out) {
		out = cgoLine.ReplaceAllString(out, "")
		out = cgoTypeSigRe.ReplaceAllString(out, "C.")
	}

	// Usually desc is already p.Desc(), but if not, signal cmdError.Error to

	$GOARCH
		The execution architecture (arm, amd64, etc.)
	$GOOS
		The execution operating system (linux, windows, etc.)
	$GOFILE
		The base name of the file.
	$GOLINE
		The line number of the directive in the source file.
	$GOPACKAGE
		The name of the package of the file containing the directive.
	$GOROOT
		The GOROOT directory for the 'go' command that invoked the

//
//	$GOARCH
//		The execution architecture (arm, amd64, etc.)
//	$GOOS
//		The execution operating system (linux, windows, etc.)
//	$GOFILE
//		The base name of the file.
//	$GOLINE
//		The line number of the directive in the source file.
//	$GOPACKAGE
//		The name of the package of the file containing the directive.
//	$GOROOT
//		The GOROOT directory for the 'go' command that invoked the