29uint16_t SEXP_atomic_dec_u16 (
volatile uint16_t *ptr);
30uint16_t SEXP_atomic_inc_u16 (
volatile uint16_t *ptr);
31bool SEXP_atomic_cas_u16 (
volatile uint16_t *ptr, uint16_t old, uint16_t
new);
33uint32_t SEXP_atomic_dec_u32 (
volatile uint32_t *ptr);
34uint32_t SEXP_atomic_inc_u32 (
volatile uint32_t *ptr);
35bool SEXP_atomic_cas_u32 (
volatile uint32_t *ptr, uint32_t old, uint32_t
new);