#include <stdio.h>

static const char* la[]= {"sa","sb","sc"};
static const char* lb[]= {"sb","sb"};

static const char** const arr[]= {la,lb};

int main() {
  printf("len[la]: %d\n",sizeof(la)/sizeof(la[0]));
  printf("len[arr][0]: %d\n",sizeof(arr[0])/sizeof(arr[0][0]));
  return 0;
}