by the nonreentrant versions of these functions.
.\" getnetent.3 doesn't document any use of h_errno, but nevertheless
.\" the nonreentrant functions no seem to set h_errno.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
On success, these functions return 0.
On error, they return one of the positive error numbers listed in ERRORS.
Try again with a larger buffer
(and increased
.IR buflen ).
-.SH "CONFORMING TO"
+.SH CONFORMING TO
These functions are GNU extensions.
Functions with similar names exist on some other systems,
though typically with different calling signatures.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR getnetent (3),
.BR networks (5)