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-rw-r--r--posix/unistd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 08a3d47463..9b416979c4 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -312,6 +312,10 @@ extern int faccessat (int __fd, __const char *__file, int __type, int __flag)
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Seek from end of file. */
+# ifdef __USE_GNU
+# define SEEK_DATA 3 /* Seek to next data. */
+# define SEEK_HOLE 4 /* Seek to next hole. */
+# endif
#endif
#if defined __USE_BSD && !defined L_SET