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CentOS 7.0 - man page for field_userptr (centos section 3X)

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form_field_userptr(3X)							   form_field_userptr(3X)

NAME
       form_field_userptr - associate application data with a form field

SYNOPSIS
       #include <form.h>
       int set_field_userptr(FIELD *field, void*userptr);
       void *field_userptr(const FIELD *field);

DESCRIPTION
       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.

RETURN VALUE
       The function field_userptr returns a pointer (which may be NULL).  It does not set errno.

       The function set_field_userptr returns E_OK (success).

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.

       The  user  pointer is a void pointer.  We chose not to leave it as a char pointer for SVr4
       compatibility.

AUTHORS
       Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric S. Raymond.

									   form_field_userptr(3X)
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