minix history - dir_struct¶ v1¶ 1 2 3 4typedef struct __packed { u16_t d_inum; char d_name[14]; } dir_struct; v2¶ 1 2 3 4struct direct { u16_t d_ino; char d_name[14]; } __packed; v3¶ 1 2 3 4struct direct { u32_t d_ino; char d_name[60]; } __packed; diff¶ v1 -> v2 - 不变