Hi, Support for cscope connections was removed from vi(1) a few years ago.
Index: ex/ex_cmd.c =================================================================== RCS file: /cvs/src/usr.bin/vi/ex/ex_cmd.c,v retrieving revision 1.10 diff -u -p -r1.10 ex_cmd.c --- ex/ex_cmd.c 19 Nov 2015 07:53:31 -0000 1.10 +++ ex/ex_cmd.c 14 Dec 2017 16:07:48 -0000 @@ -145,8 +145,8 @@ EXCMDLIST const cmds[] = { /* C_DISPLAY */ {"display", ex_display, 0, "w1r", - "display b[uffers] | c[onnections] | s[creens] | t[ags]", - "display buffers, connections, screens or tags"}, + "display b[uffers] | s[creens] | t[ags]", + "display buffers, screens or tags"}, /* C_EDIT */ {"edit", ex_edit, E_NEWSCREEN, "f1o", @@ -427,6 +427,6 @@ EXCMDLIST const cmds[] = { {"~", ex_subtilde, E_ADDR2, "s", "[line [,line]] ~ [cgr] [count] [#lp]", - "replace previous RE with previous replacement string,"}, + "replace previous RE with previous replacement string"}, {NULL}, }; Regards, kshe