Manual Pages for UNIX Operating System command usage for man set_field_userptr

Miscellaneous Library Functions            form_field_userptr(3X)



NAME
     form_field_userptr - associate application data with a  form
     field

SYNOPSIS
     #include 
     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  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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