\fIflags\fP には 0 または以下のフラグの 1 つ以上を論理和 (OR) で指定する。
.TP
-\fBAT_EMPTY_PATH\fP (since Linux 2.6.39)
+ \fBAT_EMPTY_PATH\fP (since Linux 2.6.39)
.\" commit 65cfc6722361570bfe255698d9cd4dccaf47570d
If \fIpathname\fP is an empty string, operate on the file referred to by in
which case the call operates on the file referred to by \fIdirfd\fP (which may