otherwise,
.I *result
is set to NULL.
-.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.
exit(EXIT_SUCCESS);
}
.fi
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR getprotoent (3),
.BR protocols (5)