<STRONG>#include</STRONG> <STRONG><form.h></STRONG>
int set_field_type(FIELD *field, FIELDTYPE *type, ...);
FIELDTYPE *field_type(const FIELD *field);
<STRONG>#include</STRONG> <STRONG><form.h></STRONG>
int set_field_type(FIELD *field, FIELDTYPE *type, ...);
FIELDTYPE *field_type(const FIELD *field);