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	3024	log stats plain blame
-rw-r--r--	archive_backend.h	5639	log stats plain blame
-rw-r--r--	archive_extsavedata.cpp	5253	log stats plain blame
-rw-r--r--	archive_extsavedata.h	3320	log stats plain blame
-rw-r--r--	archive_romfs.cpp	1647	log stats plain blame
-rw-r--r--	archive_romfs.h	1110	log stats plain blame
-rw-r--r--	archive_savedata.cpp	4149	log stats plain blame
-rw-r--r--	archive_savedata.h	981	log stats plain blame
-rw-r--r--	archive_savedatacheck.cpp	2488	log stats plain blame
-rw-r--r--	archive_savedatacheck.h	1000	log stats plain blame
-rw-r--r--	archive_sdmc.cpp	1764	log stats plain blame
-rw-r--r--	archive_sdmc.h	1089	log stats plain blame
-rw-r--r--	archive_systemsavedata.cpp	2874	log stats plain blame
-rw-r--r--	archive_systemsavedata.h	2258	log stats plain blame
-rw-r--r--	directory_backend.h	2333	log stats plain blame
-rw-r--r--	disk_archive.cpp	9112	log stats plain blame
-rw-r--r--	disk_archive.h	3180	log stats plain blame
-rw-r--r--	file_backend.h	1951	log stats plain blame
-rw-r--r--	ivfc_archive.cpp	3644	log stats plain blame
-rw-r--r--	ivfc_archive.h	2879	log stats plain blame