#include <stdio.h>
#include <intrin.h>

#pragma intrinsic(_ReturnAddress)

char* next_instruction_address(void) { return (char*)_ReturnAddress(); }

int test(
    char* (*_next_instruction_address) (void)
) {
    char* p_begin = _next_instruction_address() + 13;
begin:;
    int a = 2;
    int b = 2;
    char* p_end = _next_instruction_address() + 13;
end:;

    char* save_p_end = p_end;
    char* save_p_begin = p_begin;
    __asm {
        lea eax, begin
        mov p_begin, eax
        lea eax, end
        mov p_end, eax
    }
    // Сравнение адресов, полученных без вставки и с ней
    printf("%lu=%lu\n%lu=%lu\n", 
        (size_t)save_p_end, (size_t)p_end, 
        (size_t)save_p_begin, (size_t)p_begin);

    return a + b;
}

int main(void) {
    test(next_instruction_address);
    return 0;
}