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- <STRONG>form_field_userptr</STRONG> - associate application data with a
- form field
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-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG><form.h></STRONG>
- int set_field_userptr(FIELD *field, void*userptr);
- void *field_userptr(const FIELD *field);
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-<H2>DESCRIPTION</H2><PRE>
- Every form field has a field that can be used to hold
- application-specific data (that is, the form-driver code
- leaves it alone). These functions get and set that field.
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-<H2>RETURN VALUE</H2><PRE>
- The function <STRONG>field_userptr</STRONG> returns <STRONG>NULL</STRONG> on error. The
- function <STRONG>set_field_userptr</STRONG> returns one of the following:
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- <STRONG>E_OK</STRONG> The routine succeeded.
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- <STRONG>E_SYSTEM_ERROR</STRONG>
- System error occurred (see <STRONG>errno</STRONG>).
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-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3X)</A></STRONG>, <STRONG><A HREF="form.3x.html">form(3X)</A></STRONG>.
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-<H2>NOTES</H2><PRE>
- The header file <STRONG><form.h></STRONG> automatically includes the header
- file <STRONG><curses.h></STRONG>.
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-<H2>PORTABILITY</H2><PRE>
- These routines emulate the System V forms library. They
- were not supported on Version 7 or BSD versions.
-
- The user pointer should be a void pointer. We leave it as
- a char pointer for SVr4 compatibility.
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-<H2>AUTHORS</H2><PRE>
- Juergen Pfeifer. Manual pages and adaptation for new
- curses by Eric S. Raymond.
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