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 fieldtype()         Return the type of a field
------------------------------------------------------------------------------
 Declaration
   database.hdr

 Syntax
   func char fieldtype extern
   param value uint uField

 Arguments
   uField is the field number.

 Return
   Field type.

 Description
   The fieldtype() function returns the type of the field specified
   by the uField parameter in the current alias. Abbreviations for
   field types are listed in the Database field type table.

   The function only considers the fields which have been declared in the
   matching dbfdef statement, i. e. the database actually might contain more
   fields.

 Example
   #define EXAMPLE_DATABASE
   #include example.hdr

   proc Test_fieldtype
   vardef
      uint n
   enddef
   open sTest
   for n := 1 to fldcnt()
      ? n, fieldtype( n )         // show field type
   next
   endproc

   proc main
   Test_fieldtype()
   endproc