patch 8.0.0081

Problem:    Inconsistent function names.
Solution:   Rename do_cscope to ex_cscope.  Clean up comments.

Author: brammool

src/ex_cmds.h

@@ -391,10 +391,10 @@ EX(CMD_cquit,		"cquit",	ex_cquit,
 EX(CMD_crewind,		"crewind",	ex_cc,
 			RANGE|NOTADR|COUNT|TRLBAR|BANG,
 			ADDR_LINES),
-EX(CMD_cscope,		"cscope",	do_cscope,
+EX(CMD_cscope,		"cscope",	ex_cscope,
 			EXTRA|NOTRLCOM|XFILE,
 			ADDR_LINES),
-EX(CMD_cstag,		"cstag",	do_cstag,
+EX(CMD_cstag,		"cstag",	ex_cstag,
 			BANG|TRLBAR|WORD1,
 			ADDR_LINES),
 EX(CMD_cunmap,		"cunmap",	ex_unmap,
@@ -745,7 +745,7 @@ EX(CMD_lchdir,		"lchdir",	ex_cd,
 EX(CMD_lclose,		"lclose",	ex_cclose,
 			RANGE|NOTADR|COUNT|TRLBAR,
 			ADDR_LINES),
-EX(CMD_lcscope,		"lcscope",	do_cscope,
+EX(CMD_lcscope,		"lcscope",	ex_cscope,
 			EXTRA|NOTRLCOM|XFILE,
 			ADDR_LINES),
 EX(CMD_ldo,		"ldo",		ex_listdo,
@@ -1249,7 +1249,7 @@ EX(CMD_scriptnames,	"scriptnames",	ex_scriptnames,
 EX(CMD_scriptencoding,	"scriptencoding", ex_scriptencoding,
 			WORD1|TRLBAR|CMDWIN,
 			ADDR_LINES),
-EX(CMD_scscope,		"scscope",	do_scscope,
+EX(CMD_scscope,		"scscope",	ex_scscope,
 			EXTRA|NOTRLCOM,
 			ADDR_LINES),
 EX(CMD_set,		"set",		ex_set,

src/ex_docmd.c

@@ -243,9 +243,9 @@ static void	ex_popup(exarg_T *eap);
 # define ex_helpfind		ex_ni
 #endif
 #ifndef FEAT_CSCOPE
-# define do_cscope		ex_ni
-# define do_scscope		ex_ni
-# define do_cstag		ex_ni
+# define ex_cscope		ex_ni
+# define ex_scscope		ex_ni
+# define ex_cstag		ex_ni
 #endif
 #ifndef FEAT_SYN_HL
 # define ex_syntax		ex_ni
@@ -10427,7 +10427,7 @@ ex_tag_cmd(exarg_T *eap, char_u *name)
 #ifdef FEAT_CSCOPE
 		  if (p_cst && *eap->arg != NUL)
 		  {
-		      do_cstag(eap);
+		      ex_cstag(eap);
 		      return;
 		  }
 #endif