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| * @Id: form_field_userptr.3x,v 1.8 2006/11/04 18:04:37 tom Exp @ |
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| <HEAD> |
| <TITLE>form_field_userptr 3x</TITLE> |
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| <H1>form_field_userptr 3x</H1> |
| <HR> |
| <PRE> |
| <!-- Manpage converted by man2html 3.0.1 --> |
| <STRONG><A HREF="form_field_userptr.3x.html">form_field_userptr(3x)</A></STRONG> <STRONG><A HREF="form_field_userptr.3x.html">form_field_userptr(3x)</A></STRONG> |
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| </PRE> |
| <H2>NAME</H2><PRE> |
| <STRONG>form_field_userptr</STRONG> - associate application data with a |
| form field |
| |
| |
| </PRE> |
| <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); |
| |
| |
| </PRE> |
| <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. |
| |
| |
| </PRE> |
| <H2>RETURN VALUE</H2><PRE> |
| The function <STRONG>field_userptr</STRONG> returns a pointer (which may be |
| <STRONG>NULL</STRONG>). It does not set errno. |
| |
| The function <STRONG>set_field_userptr</STRONG> returns <STRONG>E_OK</STRONG> (success). |
| |
| |
| </PRE> |
| <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>. |
| |
| |
| </PRE> |
| <H2>NOTES</H2><PRE> |
| The header file <STRONG><form.h></STRONG> automatically includes the header |
| file <STRONG><curses.h></STRONG>. |
| |
| |
| </PRE> |
| <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 is a void pointer. We chose not to leave |
| it as a char pointer for SVr4 compatibility. |
| |
| |
| </PRE> |
| <H2>AUTHORS</H2><PRE> |
| Juergen Pfeifer. Manual pages and adaptation for new |
| curses by Eric S. Raymond. |
| |
| |
| |
| <STRONG><A HREF="form_field_userptr.3x.html">form_field_userptr(3x)</A></STRONG> |
| </PRE> |
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