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ferror.3: Add a RETURN VALUE section 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2021-02-07 10:37:44 +01:00
parent 15267cb8a1
commit 5b921fc469
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man3/ferror.3
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@ -76,6 +76,18 @@ function.
.PP .PP
For nonlocking counterparts, see For nonlocking counterparts, see
.BR unlocked_stdio (3). .BR unlocked_stdio (3).
.SH RETURN VALUE
The
.BR feof ()
function returns nonzero if the end-of-file indicator is set for
.IR stream ;
otherwise, it returns zero.
.PP
The
.BR feof ()
function returns nonzero if the error indicator is set for
.IR stream ;
otherwise, it returns zero.
.SH ERRORS .SH ERRORS
These functions should not fail and do not set the external variable These functions should not fail and do not set the external variable
.IR errno . .IR errno .