while ((c = *txt) != 0) {
(gdb) s
413                     for (l = 0; l < con.linewidth; l++)
(gdb) s
414                             if (txt[l] <= ' ')
(gdb) s
413                     for (l = 0; l < con.linewidth; l++)
(gdb) s
414                             if (txt[l] <= ' ')
(gdb) s
413                     for (l = 0; l < con.linewidth; l++)
(gdb) s
414                             if (txt[l] <= ' ')
(gdb) s
413                     for (l = 0; l < con.linewidth; l++)
(gdb) s
414                             if (txt[l] <= ' ')
(gdb) s
413                     for (l = 0; l < con.linewidth; l++)