diff --git a/includes/dbquery.c b/includes/dbquery.c
index 59e1c6e..e541e0e 100644
--- a/includes/dbquery.c
+++ b/includes/dbquery.c
@@ -5,19 +5,22 @@
 #include <sqlite3.h>
 #include "colors.h"
 
+#define QOVERVIEW 'o'
+#define QRPLAYER 'p'
+#define QMLEADERBOARD 'm'
 
-static inline char *get_filename(const char *c) {
+static inline char *get_filename(char * const c) {
     char *qout = "queries/mranks.sql"; 
     if (c != NULL) {
         switch(*c) {
-            case 'm':
+            case QMLEADERBOARD:
                 qout = "queries/mleaderboard-ojoin.sql";
                 break;
-            case 'p':
+            case QRPLAYER:
                 qout = "queries/rplayers.sql";
                 break;
-            case 't':
-                qout = "queries/test.txt";
+            default:
+                *c = QOVERVIEW;
                 break;
         }
     }
@@ -37,7 +40,7 @@ static inline void print_tblheader(const char *c) {
              <TH class='columnname'>Held By</TH>\
              </TR>";
             break;
-        case 'm':
+        case QMLEADERBOARD:
             labels = "<TABLE class='center'>\
                      <TH class='tablename' COLSPAN='3'><H3><BR>Leaderboard</H3></TH>\
                      <TR>\
@@ -46,7 +49,7 @@ static inline void print_tblheader(const char *c) {
                      <TH class='columnname'>Time</TH>\
                      </TR>";
             break;
-        case 'p':
+        case QRPLAYER:
             labels = "<TABLE class='center'>\
                  <TH class='tablename' COLSPAN='3'> <H3><BR>Ranks</H3> </TH>\
                  <TR>\
@@ -79,11 +82,11 @@ static void print_time(const unsigned char *strcs) {
 
 // display and format the results of the query.
 static void qresult(sqlite3_stmt * const sp, const char *c) {
-#define ISPLAYERNAME(x, y) (*x == 'm' && y == 1) || \
-                           (*x == '\0' && y == 3)|| \
-                           (*x == 'p' && y == 0)
-#define ISMAPNAME(x, y) (*x == '\0'  && y == 0) ||\
-                        (*x == 'p' && y == 1)
+#define ISPLAYERNAME(x, y) (y == 1 && *x == QMLEADERBOARD) || \
+                           (y == 3 && *x == QOVERVIEW)|| \
+                           (y == 0 && *x == QRPLAYER)
+#define ISMAPNAME(x, y) (y == 0 && *x == QOVERVIEW) ||\
+                        (y == 1 && *x == QRPLAYER)
     int e;
     unsigned int i;
     const unsigned int cc  = sqlite3_column_count(sp);
@@ -96,7 +99,7 @@ static void qresult(sqlite3_stmt * const sp, const char *c) {
                 print_plname(field);
             } else if (ISMAPNAME(c, i)) {
                 printf("<TD><a href='/cgi/cts?map=%s'>%s</a></TD>", field, field);
-            } else if (i == 2 && (*c == 'm' || *c == '\0')) {
+            } else if (i == 2 && (*c == QMLEADERBOARD || *c == QOVERVIEW)) {
                 print_time(field);
             } else {
                 printf("<TD>%s</TD>", field);
@@ -112,7 +115,7 @@ static void qresult(sqlite3_stmt * const sp, const char *c) {
 // the contents of mranks.sql is in const char 'sql'.
 static bool executequery(const char *sql, const char *str) {
     const char *p = (str != NULL) ? strchr(str, '=') + 1 : NULL;
-    const char qc = (str != NULL) ? str[0] : '\0';
+    const char qc = (str != NULL) ? str[0] : QOVERVIEW;
     sqlite3    *db;
     int con = sqlite3_open("db/cts.db", &db);
     if (con != SQLITE_OK) {
@@ -136,7 +139,7 @@ static bool executequery(const char *sql, const char *str) {
 
 // both allocates and frees memory used up by the string..
 // containing the data from query files.
-void getquery(const char *qs) {
+void getquery(char * const qs) {
     char *qf = NULL;
     char *fname = get_filename(qs);
     if (fname != NULL) {