#include <stdio.h>

int main(int argc, char** argv) {
  FILE* fp = fopen("foo.raw", "w");
  short int isum = 128;
  fwrite(&isum, sizeof(short int), 1, fp);
  char bsum = -54;
  fwrite(&bsum, sizeof(char), 1, fp);
  float fsum = -27.2727;
  fwrite(&fsum, sizeof(float), 1, fp);
  fclose(fp);
}