rt/include/rt/container.h

#pragma once

#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define rt_container_of(ptr, type, member)                                     \
    ((type *)((uintptr_t)(ptr)-offsetof(type, member)))

#ifdef __cplusplus
}
#endif