stride.c

#include <stdint.h>
#include <stdio.h>

#include <printf.h>
#define _stride(_type) ({  \
  _type* _t = (_type*) 0;  \
  (uint64_t) (_t+1);       \
  })

struct st {
  char c;
  double d;
};

int main(){

  printf("%lu\n", _stride(char));
  printf("%lu\n", _stride(int));
  printf("%lu\n", _stride(long));
  printf("%lu\n", _stride(unsigned long long));
  printf("%lu\n", _stride(float));
  printf("%lu\n", _stride(double));
  printf("%lu\n", _stride(struct st));
}