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- <STRONG>form_field_buffer</STRONG> - field buffer control
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-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG><form.h></STRONG>
- int set_field_buffer(FIELD *field, int buf, const char
- *value);
- char *field_buffer(const FIELD *field, int buffer);
- int set_field_status(FIELD *field, bool status);
- bool field_status(const FIELD *field);
- int set_max_field(FIELD *field, int max);
-
-
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-<H2>DESCRIPTION</H2><PRE>
- The function <STRONG>set_field_buffer</STRONG> sets the numbered buffer of
- the given field to contain a given string. Buffer 0 is
- the displayed value of the field; other numbered buffers
- may be allocated by applications through the <STRONG>nbuf</STRONG> argument
- of (see <STRONG><A HREF="form_field_new.3x.html">form_field_new(3X)</A></STRONG>) but are not manipulated by the
- forms library. The function <STRONG>field_buffer</STRONG> returns the
- address of the buffer.
-
- The function <STRONG>set_field_status</STRONG> sets the associated status
- flag of <EM>field</EM>; <STRONG>field_status</STRONG> gets the current value. The
- status flag is set to a nonzero value whenever the field
- changes.
-
- The function <STRONG>set_max_field</STRONG> sets the maximum size for a
- dynamic field. An argument of 0 turns off any maximum
- size threshold for that field.
-
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-<H2>RETURN VALUE</H2><PRE>
- The <STRONG>field_buffer</STRONG> function returns NULL on error.
-
- The <STRONG>field_status</STRONG> function returns <STRONG>TRUE</STRONG> or <STRONG>FALSE</STRONG>.
-
- The remaining routines return one of the following:
-
- <STRONG>E_OK</STRONG> The routine succeeded.
-
- <STRONG>E_SYSTEM_ERROR</STRONG>
- System error occurred (see <STRONG>errno</STRONG>).
-
- <STRONG>E_BAD_ARGUMENT</STRONG>
- Routine detected an incorrect or out-of-range argu-
- ment.
-
-
-</PRE>
-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3X)</A></STRONG> and 3X pages whose names begin "form_" for
- detailed descriptions of the entry points.
-
-
-</PRE>
-<H2>NOTES</H2><PRE>
- The header file <STRONG><form.h></STRONG> automatically includes the header
- file <STRONG><curses.h></STRONG>.
- These routines emulate the System V forms library. They
- were not supported on Version 7 or BSD versions.
-
-
-</PRE>
-<H2>AUTHORS</H2><PRE>
- Juergen Pfeifer. Manual pages and adaptation for new
- curses by Eric S. Raymond.
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projects / ncurses.git / blobdiff