X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Fform_fieldtype.3x.html;h=f2778a1e3e119a2fba6b382a6eaed57d6fb21276;hp=e6fc48268a8768d93761cb999e9f1e11eea9ebdc;hb=e6f4ffe150c7d919792f29a70b4f031cfab5ef06;hpb=55ccd2b959766810cf7db8d1c4462f338ce0afc8 diff --git a/doc/html/man/form_fieldtype.3x.html b/doc/html/man/form_fieldtype.3x.html index e6fc4826..f2778a1e 100644 --- a/doc/html/man/form_fieldtype.3x.html +++ b/doc/html/man/form_fieldtype.3x.html @@ -1,8 +1,8 @@ - + @@ -112,24 +112,31 @@ REQ_PREV_CHOICE assume that the possible values of a field form an ordered set, and provide the forms user with a way to move through the set. The set_fieldtype_choice func- - tion allows forms programmers to define successor and - predecessor functions for the field type. These functions + tion allows forms programmers to define successor and pre- + decessor functions for the field type. These functions take the field pointer and an argument-block structure as arguments.

RETURN VALUE

-       The pointer-valued routines return NULL on error.
+       The  pointer-valued  routines  return NULL on error.  They
+       set errno according to their success:
+
+       E_OK The routine succeeded.
+
+       E_BAD_ARGUMENT
+            Routine detected an incorrect or  out-of-range  argu-
+            ment.
+
+       E_SYSTEM_ERROR
+            System error occurred, e.g., malloc failure.
 
        The  integer-valued  routines  return one of the following
        codes on error:
 
        E_OK The routine succeeded.
 
-       E_SYSTEM_ERROR
-            System error occurred (see errno).
-
        E_BAD_ARGUMENT
             Routine detected an incorrect or  out-of-range  argu-
             ment.
@@ -137,6 +144,12 @@
        E_CONNECTED
             The field is already connected to a form.
 
+       E_CURRENT
+            The field is the current field.
+
+       E_SYSTEM_ERROR
+            System error occurred (see errno).
+

SEE ALSO