#include <stdio.h>#include <stdlib.h>#include "sql_parser.h"#include "mem.h"static intdisplay(GList * list)   {   for (; list != NULL; list = list->next)      printf("%s%s", (char *)list->data, list->next ? ", " : "");   printf("\n");   return 0;   }static voidlist_free_item(void *data, void *nothing)   {   free(data);   }intmain(int argc, char *argv[])   {   char buffer[1024];   sql_statement *result;   int error = 0;   char *rebuilt;   GList *tables;   GList *fields;   printf("SQL Parse Tester\n");   while (fgets(buffer, 1023, stdin) != NULL)      {      if (buffer[strlen(buffer) - 1] == '\n')         buffer[strlen(buffer) - 1] = '\0';      printf("parsing: %s\n", buffer);      result = sql_parse(buffer);      if (result)         {         /* sql_statement_append_field (result, NULL, "newfield"); */         rebuilt = sql_stringify(result);         printf("rebuilt: %s\n", rebuilt);         free(rebuilt);         sql_display(result);         printf("\n");         tables = sql_statement_get_tables(result);         printf("Tables: ");         display(tables);         g_list_foreach(tables, list_free_item, NULL);         g_list_free(tables);         fields = sql_statement_get_fields(result);         printf("Fields: ");         display(fields);         g_list_foreach(fields, list_free_item, NULL);         g_list_free(fields);         sql_destroy(result);         }      else         {         error = 1;         break;         }      }   memsql_display();   return error;   }