strcmp, strncmp are in <string.h>

*Important:*  Do `make clean` to work around a problem and prevent
infinite rebuilds, https://github.com/davidgiven/ack/issues/68

I edit tokens.g in util/LLgen/src, so I regenerate tokens.c.  The
regeneration script bootstrap.sh can't find LLgen, but I can run the
same command by typing the path to llgen.

lang/cem/cemcom.ansi/domacro.c

@@ -6,7 +6,8 @@
 /* PREPROCESSOR: CONTROLLINE INTERPRETER */
 
 #include	<assert.h>
-#include    <stdlib.h>
+#include	<stdlib.h>
+#include	<string.h>
 #include	"parameters.h"
 #include    "idf.h"
 #include	"arith.h"

lang/cem/cemcom.ansi/main.c

@@ -5,6 +5,7 @@
 /* $Id$ */
 /* MAIN PROGRAM */
 
+#include	<string.h>
 #include	"parameters.h"
 #include	<ack_string.h>
 #include	<system.h>

lang/cem/cpp.ansi/domacro.c

@@ -5,7 +5,9 @@
 /* $Id$ */
 /* PREPROCESSOR: CONTROLLINE INTERPRETER */
 
-#include    <stdlib.h>
+#include	<assert.h>
+#include	<stdlib.h>
+#include	<string.h>
 #include	"arith.h"
 #include	"LLlex.h"
 #include	"Lpars.h"
@@ -13,7 +15,6 @@
 #include	"input.h"
 
 #include    "parameters.h"
-#include	<assert.h>
 #include	<alloc.h>
 #include	"class.h"
 #include	"macro.h"

lang/cem/cpp.ansi/main.c

@@ -5,11 +5,12 @@
 /* $Id$ */
 /* MAIN PROGRAM */
 
-#include    <stdlib.h>
+#include	<assert.h>
+#include	<stdlib.h>
+#include	<string.h>
 #include	"parameters.h"
 
 #include	<alloc.h>
-#include	<assert.h>
 #include	<system.h>
 #include 	"arith.h"
 #include	"file_info.h"

lang/pc/comp/enter.c

@@ -1,5 +1,6 @@
 /* H I G H   L E V E L   S Y M B O L   E N T R Y */
 
+#include	<string.h>
 #include	<alloc.h>
 #include	<assert.h>
 #include	<em_arith.h>

lang/pc/comp/statement.g

@@ -1,5 +1,6 @@
 /* S T A T E M E N T S */
 {
+#include	<string.h>
 #include    "parameters.h"
 #include	<alloc.h>
 #include	<em.h>

util/LLgen/src/name.c

@@ -17,6 +17,7 @@
  * initialising routine.
  */
 
+#include <string.h>
 # include "types.h"
 # include "extern.h"
 # include "assert.h"

util/LLgen/src/tokens.c

@@ -77,6 +77,7 @@ extern LLnc_recover();
 
 # line 20 "tokens.g"
 
+#include <string.h>
 # include "types.h"
 # include "io.h"
 # include "extern.h"
@@ -101,7 +102,7 @@ STATIC string	vallookup();
 STATIC void copyact();
 
 static int	nparams;
-# line 75 "tokens.g"
+# line 76 "tokens.g"
 
 
 /*
@@ -419,7 +420,8 @@ unput(c) {
 	backupc = c;
 }
 
-void skipcomment(flag) {
+void
+skipcomment(flag) {
 	/*
 	 * Skip comment. If flag != 0, the comment is inside a fragment
 	 * of C-code, so keep it.

util/LLgen/src/tokens.g

@@ -18,6 +18,7 @@
  */
 
 {
+#include <string.h>
 # include "types.h"
 # include "io.h"
 # include "extern.h"

util/ack/files.c

@@ -5,6 +5,7 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
 #include "ack.h"
 #include "list.h"
 #include "trans.h"

util/ack/rmach.c

@@ -6,6 +6,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include "ack.h"
 #include <em_path.h>
 #include "list.h"

util/ego/cs/cs_profit.c

@@ -4,6 +4,7 @@
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
 #include <stdio.h>
+#include <string.h>
 #include <em_mnem.h>
 #include <em_spec.h>
 #include "../share/types.h"

util/ego/ra/makeitems.c

@@ -6,6 +6,7 @@
  
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 /*  MAKE ITEMS TABLE
  *

util/ego/ra/ra.c

@@ -10,6 +10,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <em_reg.h>
 #include "../share/types.h"
 #include "../share/debug.h"

util/ego/share/makecldef.c

@@ -6,6 +6,7 @@
  
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 /*  MAKECLASSDEF
  *

util/ego/sp/sp.c

@@ -11,6 +11,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <em_mnem.h>
 #include <em_spec.h>
 #include "../share/types.h"

util/ego/sr/sr.c

@@ -8,6 +8,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include "../share/types.h"
 #include "sr.h"
 #include "../share/debug.h"

util/ego/ud/ud.c

@@ -7,6 +7,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <em_spec.h>
 #include "../share/types.h"
 #include "ud.h"

util/ncgg/expr.c

@@ -9,6 +9,7 @@ static char rcsid[]= "$Id$";
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include "param.h"
 #include "set.h"
 #include "reg.h"

util/ncgg/instruct.c

@@ -6,6 +6,7 @@
 static char rcsid[]= "$Id$";
 #endif
 
+#include <string.h>
 #include "param.h"
 #include "instruct.h"
 #include "pseudo.h"

util/ncgg/iocc.c

@@ -9,6 +9,7 @@ static char rcsid[]= "$Id$";
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include "param.h"
 #include "set.h"
 #include "expr.h"

util/ncgg/lookup.c

@@ -7,6 +7,7 @@ static char rcsid[]= "$Id$";
 #endif
 
 #include <assert.h>
+#include <string.h>
 #include "param.h"
 #include "lookup.h"
 #include "extern.h"

util/ncgg/strlookup.c

@@ -6,6 +6,7 @@
 static char rcsid[]= "$Id$";
 #endif
 
+#include <string.h>
 #include "param.h"
 #include "extern.h"
 

util/topgen/hash.c

@@ -11,6 +11,7 @@
  
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include "misc.h"
 
 struct hlist {			/* linear list of pattern numbers */

util/topgen/pattern.c

@@ -12,6 +12,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <ctype.h>
 #include "misc.h"
 #include "symtab.h"