--- Libc/Libc-1725.40.4/stdio/FreeBSD/setbuf.3
+++ Libc/Libc-825.26/stdio/FreeBSD/setbuf.3
@@ -79,28 +79,6 @@
 or input is read from any stream attached to a terminal device
 (typically
 .Dv stdin ) .
-.Pp
-The default buffer settings can be overwritten for stdin
-.Dv ( STDBUF0 , _STDBUF_I ),
-stdout
-.Dv ( STDBUF1 , _STDBUF_O ),
-stderr
-.Dv ( STDBUF2 , _STDBUF_E ),
-or for all descriptors
-.Dv ( STDBUF ) .
-The environment variable value is a letter followed by an optional numeric
-value indicating the size of the buffer.
-Valid sizes range from 0B to 16MB (suffixes 'k' and 'M' are accepted).
-Valid letters are:
-.Bl -tag -width X -offset indent
-.It Dv Li U
-Unbuffered.
-.It Dv Li L
-Line-buffered.
-.It Dv Li B , Dv Li F
-Fully-buffered.
-.El
-.Pp
 The function
 .Xr fflush 3
 may be used to force the block out early.