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-.TH FCHMODAT 2 2012-04-17 "Linux" "Linux Programmer's Manual"
+.TH FCHMODAT 2 2012-04-22 "Linux" "Linux Programmer's Manual"
.SH NAME
fchmodat \- change permissions of a file relative to a directory \
file descriptor
See
.BR openat (2)
for an explanation of the need for
+.BR fchmodat ().
-This page documents the interface provided by the
-glibc wrapper function for the
-.BR fchmodat ()
-system call.
-The underlying system call does
+The GNU C library wrapper function implements the POSIX-specified
+interface described in this page.
+This interface differs from the underlying Linux system call, which does
.I not
have a
.I flags