绋嬪簭14-34 linux/include/sys/types.h

  1 #ifndef _SYS_TYPES_H

  2 #define _SYS_TYPES_H

  3

  4 #ifndef _SIZE_T

  5 #define _SIZE_T

  6 typedef unsigned int size_t;        // 鐢ㄤ簬瀵硅薄鐨勫ぇ灏忥紙闀垮害锛夈��

  7 #endif

  8

  9 #ifndef _TIME_T

 10 #define _TIME_T

 11 typedef long time_t;               // 鐢ㄤ簬鏃堕棿锛堜互绉掕�★級銆�

 12 #endif

 13

 14 #ifndef _PTRDIFF_T

 15 #define _PTRDIFF_T

 16 typedef long ptrdiff_t;

 17 #endif

 18

 19 #ifndef NULL

 20 #define NULL ((void *) 0)

 21 #endif

 22

 23 typedef int pid_t;                // 鐢ㄤ簬杩涚▼鍙峰拰杩涚▼缁勫彿銆�

 24 typedef unsigned short uid_t;     // 鐢ㄤ簬鐢ㄦ埛鍙凤紙鐢ㄦ埛鏍囪瘑鍙凤級銆�

 25 typedef unsigned char gid_t;      // 鐢ㄤ簬缁勫彿銆�

 26 typedef unsigned short dev_t;     // 鐢ㄤ簬璁惧�囧彿銆�

 27 typedef unsigned short ino_t;     // 鐢ㄤ簬鏂囦欢搴忓垪鍙枫��

 28 typedef unsigned short mode_t;    // 鐢ㄤ簬鏌愪簺鏂囦欢灞炴�с��

 29 typedef unsigned short umode_t;   //

 30 typedef unsigned char nlink_t;    // 鐢ㄤ簬杩炴帴璁℃暟銆�

 31 typedef int daddr_t;

 32 typedef long off_t;               // 鐢ㄤ簬鏂囦欢闀垮害锛堝ぇ灏忥級銆�

 33 typedef unsigned char u_char;     // 鏃犵�﹀彿瀛楃�︾被鍨嬨��

 34 typedef unsigned short ushort;    // 鏃犵�﹀彿鐭�鏁存暟绫诲瀷銆�

 35

 36 typedef unsigned char cc_t;

 37 typedef unsigned int speed_t;

 38 typedef unsigned long tcflag_t;

 39

 40 typedef unsigned long fd_set;     // 鏂囦欢鎻忚堪绗﹂泦銆傛瘡姣旂壒浠ｈ〃1涓�鎻忚堪绗︺��

 41

 42 typedef struct { int quot,rem; } div_t;    // 鐢ㄤ簬DIV鎿嶄綔銆�

 43 typedef struct { long quot,rem; } ldiv_t;  // 鐢ㄤ簬闀�DIV鎿嶄綔銆�

 44

    // 鏂囦欢绯荤粺鍙傛暟缁撴瀯锛岀敤浜�ustat()鍑芥暟銆傛渶鍚庝袱涓�瀛楁�垫湭浣跨敤锛屾�绘槸杩斿洖NULL鎸囬拡銆�

 45 struct ustat {

 46         daddr_t f_tfree;              // 绯荤粺鎬荤┖闂插潡鏁般��

 47         ino_t f_tinode;               // 鎬荤┖闂�i鑺傜偣鏁般��

 48         char f_fname[6];              // 鏂囦欢绯荤粺鍚嶇О銆�

 49         char f_fpack[6];              // 鏂囦欢绯荤粺鍘嬬缉鍚嶇О銆�

 50 };

 51

 52 #endif

 53