Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

stat64(2) OSS System Calls Reference Manual
The file information is written to the area specified by the buffer parameter, which is a pointer to
a stat64 structure. For J06.11 and later J-series RVUs and H06.22 and later H-series RVUs, the
stat64 structure uses this definition from the sys/stat.h header file:
struct stat64 {
dev_t st_dev;
ino64_t st_ino;
mode_t st_mode;
nlink_t st_nlink;
unsigned int st_acl:1;
unsigned int __filler_1:7;
unsigned int st_fileprivs:8; /* File privileges */
uid_t st_uid;
gid_t st_gid;
dev_t st_rdev;
off64_t st_size;
time_t st_atime;
time_t st_mtime;
time_t st_ctime;
mode_t st_basemode; /* Permissions with original group perms */
int64_t reserved[3];
};
For J06.10 and earlier J-series RVUs and H06.21 and earlier H-series RVUs, the stat64 structure
uses this definition from the sys/stat.h header file:
struct stat64 {
dev_t st_dev;
ino64_t st_ino;
mode_t st_mode;
nlink_t st_nlink;
unsigned int st_acl:1;
unsigned int __filler_1:15;
uid_t st_uid;
gid_t st_gid;
dev_t st_rdev;
off64_t st_size;
time_t st_atime;
time_t st_mtime;
time_t st_ctime;
mode_t st_basemode; /* Permissions with original group perms */
int64_t reserved[3];
};
For a regular file, the stat64() function sets the st_size field of the stat64 structure to the length
of the file and sets the st_mode field to indicate the file type. For a symbolic link, the stat64()
function returns information about the file at the end of the link; no information about the link is
returned. (For information about the link, use the lstat64() function.)
The stat64() function updates any time-related fields associated with the file before writing into
the stat64 structure, unless it is a read-only fileset. Time-related fields are not updated for read-
only OSS filesets.
The fields in the stat64 structure have these meanings and content:
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