typedef struct asm_constraint_t asm_constraint_t;
typedef struct asm_clobber_t asm_clobber_t;
typedef struct asm_statement_t asm_statement_t;
typedef struct asm_constraint_t asm_constraint_t;
typedef struct asm_clobber_t asm_clobber_t;
typedef struct asm_statement_t asm_statement_t;