Imports of structlayout command

PathSynopsis
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
go/buildPackage build gathers information about Go packages.
go/typesPackage types declares the data types and implements the algorithms for type-checking of Go packages.
golang.org/x/tools/go/packagesPackage packages loads Go packages for inspection and analysis.
honnef.co/go/tools/go/gcsizesPackage gcsizes provides a types.Sizes implementation that adheres to the rules used by the gc compiler.
honnef.co/go/tools/lintcmd/version
honnef.co/go/tools/structlayout
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.