typedef struct switch_statement_t switch_statement_t;
typedef struct declaration_statement_t declaration_statement_t;
typedef struct expression_statement_t expression_statement_t;
+typedef struct computed_goto_statement_t computed_goto_statement_t;
typedef struct goto_statement_t goto_statement_t;
typedef struct label_statement_t label_statement_t;
typedef struct case_label_statement_t case_label_statement_t;