Fixed spelling of __set_ospeed (was _set_ospeed) and improved

nearby English.

lib/libtermcap/Makefile

@@ -9,7 +9,7 @@ SRCS=   termcap.c tgoto.c tputs.c tparm.c tospeed.c
 MAN3=	termcap.3
 MLINKS=	termcap.3 tgetent.3 termcap.3 tgetflag.3 termcap.3 tgetnum.3 \
 	termcap.3 tgetstr.3 termcap.3 tgoto.3 termcap.3 tputs.3 \
-	termcap.3 tparm.3 termcap.3 _set_ospeed.3
+	termcap.3 tparm.3 termcap.3 __set_ospeed.3
 LINKS=	${LIBDIR}/libtermcap.a ${LIBDIR}/libtermlib.a
 .if !defined(NOPIC)
 LINKS+= ${SHLIBDIR}/libtermcap.so.${SHLIB_MAJOR}.${SHLIB_MINOR} \

lib/libtermcap/termcap.3

@@ -42,7 +42,7 @@
 .Nm tgoto ,
 .Nm tputs ,
 .Nm tparm ,
-.Nm _set_ospeed
+.Nm __set_ospeed
 .Nd terminal independent operation routines
 .Sh SYNOPSIS
 .Fd #include <termcap.h>
@@ -65,7 +65,7 @@
 .Ft char *
 .Fn tparm "const char *cp" "..."
 .Ft void
-.Fn _set_ospeed "long speed"
+.Fn __set_ospeed "long speed"
 .Sh DESCRIPTION
 These functions extract and use capabilities from a terminal capability data
 base, usually
@@ -232,17 +232,6 @@ not applicable,
 .Fa outc
 is a routine which is called with each character in turn.
 The external variable
-.Va ospeed
-should contain the output speed of the terminal as encoded by
-.Xr stty 3 .
-The
-.Fn _set_ospeed
-functions converts any (not exactly matched only) numeric speed to
-.Xr stty 3
-encoded speed and set
-.Va ospeed
-variable.
-The external variable
 .Va PC
 should contain a pad character to be used (from the
 .SY pc
@@ -250,13 +239,25 @@ capability)
 if a null
 .Pq Sy ^@
 is inappropriate.
+The external variable
+.Va ospeed
+should contain the output speed of the terminal as encoded by
+.Xr stty 3 .
+The
+.Fn __set_ospeed
+function converts the speed in cps
+.Fa speed
+to the closest
+.Xr stty 3
+encoded speed and stores the result in
+.Va ospeed .
 .Pp
 The
 .Fn tparm
 function
 instantiates the string
 .Fa cp
-with given parameters.
+with the given parameters.
 A pointer is returned which points to
 the result of
 .Fa cp