read equivalent for filebuf?

Question

typedef struct {
  char c[20];
  int i;
} header;

void foo(std::string s) {
  std::ifstream ifs(s.c_str(), std::ios_base::binary | std::ios_base::in);
  if (ifs) {
             


        

Answer 1

what is the point of filebuf ?

None, here.

I can't see why you're using it.

Until you do more complex operations, filebuf is an implementation detail^†.

^{† (Sort of.)}