--- Libc/Libc-1725.40.4/stdlib/FreeBSD/strtod.3
+++ Libc/Libc-997.90.3/stdlib/FreeBSD/strtod.3
@@ -32,7 +32,7 @@
 .\"     @(#)strtod.3	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD: src/lib/libc/stdlib/strtod.3,v 1.22 2007/12/16 21:19:28 das Exp $
 .\"
-.Dd July 2, 2021
+.Dd March 2, 2003
 .Dt STRTOD 3
 .Os
 .Sh NAME
@@ -95,17 +95,13 @@
 For hexadecimal constants, the scaling is instead done by powers
 of 2.
 .Pp
-If the portion of the string following the optional
+Alternatively, if the portion of the string following the optional
 plus or minus sign begins with
 .Dq INFINITY
 or
-.Dq INF ,
-ignoring case, it is interpreted as an infinity.
-.Pp
-If the portion of the string following the optional
-plus or minus sign begins with
 .Dq NAN ,
-ignoring case, it is interpreted as a quiet \*(Na.
+ignoring case, it is interpreted as an infinity or a quiet \*(Na,
+respectively.
 The syntax
 .Dq Xo Pf NAN( Ar "s" ) Xc ,
 where
@@ -142,16 +138,7 @@
 .Fn strtof ,
 and
 .Fn strtold
-functions return the converted value, if any, rounded to the nearest
-representable value of the corresponding type according to the rounding
-mode currently in effect.
-See
-.Xr fegetround 3
-for more information on rounding modes.
-If flush-to-zero behavior is enabled in the current floating-point
-environment, the behavior is identical except that any subnormal
-values that would be returned will instead be returned as the
-correspondingly-signed zero.
+functions return the converted value, if any.
 .Pp
 If
 .Fa endptr
@@ -166,26 +153,20 @@
 is stored in the location referenced by
 .Fa endptr .
 .Pp
-The input is converted by first rounding the value to the precision of
-the target type but allowing an unbounded exponent range.
-If the resulting exponent is too large for the target
-type, overflow is deemed to have occurred.
-Overflow is signalled by returning
+If the correct value would cause overflow, plus or minus
 .Dv HUGE_VAL ,
 .Dv HUGE_VALF ,
 or
 .Dv HUGE_VALL
-(according to the sign of the input and type of the return value), and storing
-.Er ERANGE
-in
-.Va errno .
-.Pp
-If the input string is not an explicit representation of zero and the
-correctly-rounded result is a subnormal or zero value, then
+is returned (according to the sign and type of the return value), and
 .Er ERANGE
 is stored in
-.Va errno
-to indicate underflow has occurred.
+.Va errno .
+If the correct value would cause underflow, zero is
+returned and
+.Er ERANGE
+is stored in
+.Va errno .
 .Sh ERRORS
 .Bl -tag -width Er
 .It Bq Er ERANGE
@@ -206,6 +187,9 @@
 function
 conforms to
 .St -isoC-99 .
+.Sh AUTHORS
+The author of this software is
+.An David M. Gay .
 .Pp
 .Bd -literal
 Copyright (c) 1998 by Lucent Technologies