usnotime problems

[pjb at pjbell.UUCP]

i am trying to compile the usnotime code which receintly passed thru this group, and am having the following problem. any ideas???

undefined                       first referenced
  symbol                            in file
tgetent                                //lib/libc.a
tgetstr                                //lib/libc.a
tgetnum                                //lib/libc.a
ld fatal: Symbol referencing errors.  No output written to a.out

at first i was sure that i had deleted some lib or other, but i just rebuilt the entire system from floppies, with no change in the errors.

BTW: sys3.5

ideas and/or help greatly appreciated.


regards, 
        pjb