pg_dump → interfaces Relation

File in src/bin/pg_dump	Includes file in src/interfaces
dumputils.h	libpq / libpq-fe.h
dumputils.h	libpq / pqexpbuffer.h
pg_backup.h	libpq / libpq-fe.h
pg_backup_archiver.h	libpq / libpq-fe.h
pg_backup_archiver.h	libpq / pqexpbuffer.h