strtod.3: Improve a detail in RETURN VALUE

Reported-by: Ed Avis <eda@waniasset.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/strtod.3 b/man3/strtod.3
index 1c50b0c566f6a2e675a49337544d44a8417b547c..4604462cdf30d23722840b67da62f60fc4cee184 100644 (file)
--- a/man3/strtod.3
+++ b/man3/strtod.3
@@ -130,7 +130,9 @@ a pointer to the character after the last character used in the conversion
 is stored in the location referenced by
 .IR endptr .
 
-If no conversion is performed, zero is returned and the value of
+If no conversion is performed, zero is returned and (unless
+.I endptr
+is null) the value of
 .I nptr
 is stored in the location referenced by
 .IR endptr .