5 #include "sys/stdtypes.h"
9 typedef struct timestruc {
10 time_t tv_sec; /* seconds */
11 long tv_nsec; /* and nanoseconds */
14 #define st_atime st_atim.tv_sec
15 #define st_mtime st_mtim.tv_sec
16 #define st_ctime st_ctim.tv_sec
18 #define _ST_FSTYPSZ 16 /* array size for file system type name */
22 long st_pad1[3]; /* reserved for network id */
29 long st_pad2[2]; /* dev and off_t expansion */
31 long st_pad3; /* future off_t expansion */
37 char st_fstype[_ST_FSTYPSZ];
38 long st_pad4[8]; /* expansion area */
42 #define S_IREAD S_IRUSR /* read permission, owner */
43 #define S_IWRITE S_IWUSR /* write permission, owner */
44 #define S_IEXEC S_IXUSR /* execute/search permission, owner */
46 #define S_IRGRP 00040 /* read permission: group */
47 #define S_IROTH 00004 /* read permission: other */
48 #define S_IRUSR 00400 /* read permission: owner */
49 #define S_IRWXG 00070 /* read, write, execute: group */
50 #define S_IRWXO 00007 /* read, write, execute: other */
51 #define S_IRWXU 00700 /* read, write, execute: owner */
52 #define S_ISBLK(mode) ((mode&0xF000) == 0x6000)
53 #define S_ISCHR(mode) ((mode&0xF000) == 0x2000)
54 #define S_ISDIR(mode) ((mode&0xF000) == 0x4000)
55 #define S_ISFIFO(mode) ((mode&0xF000) == 0x1000)
56 #define S_ISGID 0x400 /* set group id on execution */
57 #define S_ISREG(mode) ((mode&0xF000) == 0x8000)
58 #define S_ISUID 0x800 /* set user id on execution */
59 #define S_IWGRP 00020 /* write permission: group */
60 #define S_IWOTH 00002 /* write permission: other */
61 #define S_IWUSR 00200 /* write permission: owner */
62 #define S_IXGRP 00010 /* execute permission: group */
63 #define S_IXOTH 00001 /* execute permission: other */
64 #define S_IXUSR 00100 /* execute permission: owner */
66 int chmod(const char * path, mode_t mode);
67 int fstat(int filedes, struct stat *buf);
68 int mkdir(const char *path, mode_t mode);
69 int mkfifo(const char * path, mode_t mode);
70 int stat(const char *file_name, struct stat *buf);
71 mode_t umask(mode_t cmask);