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CentOS 7.0 - man page for field_opts_on (centos section 3x)

form_field_opts(3X)										  form_field_opts(3X)

NAME
form_field_opts - set and get field options
SYNOPSIS
#include <form.h> int set_field_opts(FIELD *field, Field_Options opts); int field_opts_on(FIELD *field, Field_Options opts); int field_opts_off(FIELD *field, Field_Options opts); Field_Options field_opts(const FIELD *field);
DESCRIPTION
The function set_field_opts sets all the given field's option bits (field option bits may be logically-OR'ed together). The function field_opts_on turns on the given option bits, and leaves others alone. The function field_opts_off turns off the given option bits, and leaves others alone. The function field_opts returns the field's current option bits. The following options are defined (all are on by default): O_VISIBLE The field is displayed. If this option is off, display of the field is suppressed. O_ACTIVE The field is visited during processing. If this option is off, the field will not be reachable by navi- gation keys. Please notice that an invisible field appears to be inactive also. O_PUBLIC The field contents are displayed as data is entered. O_EDIT The field can be edited. O_WRAP Words that do not fit on a line are wrapped to the next line. Words are blank-separated. O_BLANK The field is cleared whenever a character is entered at the first position. O_AUTOSKIP Skip to the next field when this one fills. O_NULLOK Allow a blank field. O_STATIC Field buffers are fixed to field's original size. Turn this option off to create a dynamic field. O_PASSOK Validate field only if modified by user.
RETURN VALUE
Except for field_opts, each routine returns one of the following: E_OK The routine succeeded. E_BAD_ARGUMENT Routine detected an incorrect or out-of-range argument. E_CURRENT The field is the current field. E_SYSTEM_ERROR System error occurred (see errno).
SEE ALSO
curses(3X), form(3X).
NOTES
The header file <form.h> automatically includes the header file <curses.h>.
PORTABILITY
These routines emulate the System V forms library. They were not supported on Version 7 or BSD versions.
AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S. Raymond. form_field_opts(3X)


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