Manual Pages for UNIX Operating System command usage for man set_form_userptr

Miscellaneous Library Functions                  form_userptr(3X)



NAME
     form_userptr - associate application data with a form item

SYNOPSIS
     #include 
     int set_form_userptr(FORM *form, void *userptr);
     void* form_userptr(const FORM *form);

DESCRIPTION
     Every form and every form item 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 the form
     user pointer field.

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

     The function set_form_userptr returns E_OK (success).

SEE ALSO
     curses(3X), form(3X).

NOTES
     The header file  automatically includes  the  header
     file .

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.


















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