form_field_validation(3X)
LIBRARY FUNCTIONS
form_field_validation(3X)



NAME
     formfieldvalidation:  setfieldtype, fieldtype,
     fieldarg - forms field data type validation

SYNOPSIS
     #include <form.h>

     int setfieldtype(FIELD *field, FIELDTYPE *type, ...);
     FIELDTYPE *fieldtype(FIELD *field);
     char *fieldarg(FIELD *field);

DESCRIPTION
     setfieldtype associates  the  specified  field  type  with
     field.   Certain  field  types  take  additional  arguments.
     TYPEALNUM, for instance, requires one,  the  minimum  width
     specification  for  the  field.   The other predefined field
     types    are:    TYPEALPHA,    TYPEENUM,     TYPEINTEGER,
     TYPENUMERIC, TYPEREGEXP.

     fieldtype returns a pointer to the  field  type  of  field.
     NULL is returned if no field type is assigned.

     fieldarg returns a pointer to the field  arguments  associ-
     ated  with  the field type of field.  NULL is returned if no
     field type is assigned.

RETURN VALUE
     fieldtype and fieldarg return NULL on error.

     setfieldtype returns one of the following:
     E_OK           - The function returned successfully.
     E_SYSTEM_ERROR - System error.

NOTES
     The header file <form.h> automatically includes  the  header
     files <eti.h> and <curses.h>.

SEE ALSO
     curses(3X), forms(3X).
















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