Function esp_idf_sys::esp_intr_ptr_in_isr_region

pub unsafe extern "C" fn esp_intr_ptr_in_isr_region(
    ptr: *mut c_void,
) -> bool

@brief Check if the given pointer is in the safe ISR area. In other words, make sure that the pointer’s content is accessible at any time, regardless of the cache status

@param ptr Pointer to check

@return true if ptr points to ISR area, false else