diff --git a/gaiji.c b/gaiji.c
index 5e547c3..d9f3102 100644
--- a/gaiji.c
+++ b/gaiji.c
@@ -16,39 +16,65 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
+#include <string.h>
 
 #include "eb/eb/eb.h"
 #include "eb/eb/text.h"
 
+#include "util.h"
 #include "gaiji.h"
 
+/*
+ * Macros
+ */
+
+#define GAIJI_TABLE(name, ents) {\
+    name,\
+    gaiji_table_##ents##_wide,\
+    ARRSIZE(gaiji_table_##ents##_wide),\
+    gaiji_table_##ents##_narrow,\
+    ARRSIZE(gaiji_table_##ents##_narrow)\
+}
+
 /*
  * Local data
  */
 
 #include "gaiji_table_daijisen.h"
 
+static const Gaiji_table gaiji_tables[] = {
+    GAIJI_TABLE("大辞泉", daijisen),
+};
+
 /*
  * Exported functions
  */
 
-void gaiji_init_context(Gaiji_context* context, const char title[]) {
-    (void)context;
-    (void)title;
+const Gaiji_table * gaiji_select_table(const char title[]) {
+    for (unsigned i = 0; i < ARRSIZE(gaiji_tables); ++i) {
+        const Gaiji_table* table = gaiji_tables + i;
+        if (strcmp(table->title, title) == 0) {
+            return table;
+        }
+    }
+
+    return NULL;
 }
 
-void gaiji_build_stub(char text[MAX_STUB_BYTES], int code, const Gaiji_context* context, Gaiji_width width) {
-    sprintf(text, "!!!");
+void gaiji_build_stub(char text[MAX_STUB_BYTES], int code, const Gaiji_table* table, Gaiji_width width) {
+    if (table == NULL) {
+        strcpy(text, "<?>");
+        return;
+    }
+
     (void)code;
     (void)text;
-    (void)context;
+    (void)table;
     (void)width;
 }
 
-void gaiji_fixup_stub(char output[], int size, const char input[], const Gaiji_context* context) {
+void gaiji_fixup_stub(char output[], int size, const char input[]) {
     (void)output;
     (void)size;
     (void)input;
-    (void)context;
 }
diff --git a/gaiji.h b/gaiji.h
index 1718910..f366a18 100644
--- a/gaiji.h
+++ b/gaiji.h
@@ -24,6 +24,7 @@
  */
 
 #define MAX_STUB_BYTES 10
+#define MAX_TABLE_NAME 256
 
 /*
  * Types
@@ -35,11 +36,12 @@ typedef struct {
 } Gaiji_entry;
 
 typedef struct {
-    Gaiji_entry* table_wide;
-    int          count_wide;
-    Gaiji_entry* table_narrow;
-    int          count_narrow;
-} Gaiji_context;
+    char               title[MAX_TABLE_NAME];
+    const Gaiji_entry* table_wide;
+    int                count_wide;
+    const Gaiji_entry* table_narrow;
+    int                count_narrow;
+} Gaiji_table;
 
 typedef enum {
     GAIJI_WIDTH_WIDE,
@@ -50,8 +52,8 @@ typedef enum {
  * Functions
  */
 
-void gaiji_init_context(Gaiji_context* context, const char title[]);
-void gaiji_build_stub(char text[MAX_STUB_BYTES], int code, const Gaiji_context* context, Gaiji_width width);
-void gaiji_fixup_stub(char output[], int size, const char input[], const Gaiji_context* context);
+const Gaiji_table * gaiji_select_table(const char title[]);
+void gaiji_build_stub(char text[MAX_STUB_BYTES], int code, const Gaiji_table* table, Gaiji_width width);
+void gaiji_fixup_stub(char output[], int size, const char input[]);
 
 #endif /* GAIJI_H */
diff --git a/gaiji_table_daijisen.h b/gaiji_table_daijisen.h
index 7486885..995939f 100644
--- a/gaiji_table_daijisen.h
+++ b/gaiji_table_daijisen.h
@@ -22,7 +22,7 @@
 
 #include "gaiji.h"
 
-static const Gaiji_entry gaiji_table_narrow_daijisen[] = {
+static const Gaiji_entry gaiji_table_daijisen_narrow[] = {
     { 0xA121, { 0xC2, 0xA0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /*   */
     { 0xA122, { 0xC2, 0xA1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /* ¡ */
     { 0xA123, { 0xC2, 0xA2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /* ¢ */
@@ -252,8 +252,7 @@ static const Gaiji_entry gaiji_table_narrow_daijisen[] = {
     { 0xA34F, { 0xCB, 0x9C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /* ˜ */
 };
 
-static const Gaiji_entry gaiji_table_wide_daijisen[] =
-{
+static const Gaiji_entry gaiji_table_daijisen_wide[] = {
     { 0xB322, { 0xE3, 0x8B, 0x98, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /* ㋘ cb4960 */
     { 0xB323, { 0xE3, 0x8B, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /* ㋙ cb4960 */
     { 0xB324, { 0xE3, 0x8B, 0x9A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, /* ㋚ cb4960 */
diff --git a/util.h b/util.h
index bb3c079..2e51705 100644
--- a/util.h
+++ b/util.h
@@ -25,6 +25,12 @@
 
 #include "eb/eb/eb.h"
 
+/*
+ * Macros
+ */
+
+#define ARRSIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
 /*
  * Types
  */