HelenOS sources

FAT_LCASE_LOWER_EXT   63 uspace/app/mkfat/fat_dentry.h #define FAT_LCASE_LOWER_EXT	0x10
FAT_LCASE_LOWER_EXT   64 uspace/srv/fs/fat/fat_dentry.h #define FAT_LCASE_LOWER_EXT	0x10
HelenOS homepage, sources at GitHub