.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: form_fieldtype.3x,v 1.20 2020/02/02 23:34:34 tom Exp $
+.\" $Id: form_fieldtype.3x,v 1.21 2020/03/28 19:06:28 tom Exp $
.TH form_fieldtype 3X ""
.SH NAME
\fBform_fieldtype\fR \- define validation-field types
argument-block structure as arguments.
.SH RETURN VALUE
The pointer-valued routines return NULL on error.
-They set errno according to their success:
+They set \fBerrno\fP according to their success:
.TP 5
.B E_OK
The routine succeeded.