file_sys « core « src - anonymous/yuzu - yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra. It is written in C++ with portability in mind,

Mode	Name	Size
-rw-r--r--	archive_backend.cpp	3026	log stats plain blame
-rw-r--r--	archive_backend.h	5839	log stats plain blame
-rw-r--r--	archive_extsavedata.cpp	5255	log stats plain blame
-rw-r--r--	archive_extsavedata.h	3322	log stats plain blame
-rw-r--r--	archive_romfs.cpp	1649	log stats plain blame
-rw-r--r--	archive_romfs.h	1112	log stats plain blame
-rw-r--r--	archive_savedata.cpp	4162	log stats plain blame
-rw-r--r--	archive_savedata.h	982	log stats plain blame
-rw-r--r--	archive_savedatacheck.cpp	2491	log stats plain blame
-rw-r--r--	archive_savedatacheck.h	1001	log stats plain blame
-rw-r--r--	archive_sdmc.cpp	1766	log stats plain blame
-rw-r--r--	archive_sdmc.h	1090	log stats plain blame
-rw-r--r--	archive_systemsavedata.cpp	2877	log stats plain blame
-rw-r--r--	archive_systemsavedata.h	2260	log stats plain blame
-rw-r--r--	directory_backend.h	2344	log stats plain blame
-rw-r--r--	disk_archive.cpp	9114	log stats plain blame
-rw-r--r--	disk_archive.h	3187	log stats plain blame
-rw-r--r--	file_backend.h	1962	log stats plain blame
-rw-r--r--	ivfc_archive.cpp	3646	log stats plain blame
-rw-r--r--	ivfc_archive.h	2896	log stats plain blame