C++ equivalent of fscanf()?

And please don't say it's 开发者_StackOverflowfscanf() ;P

I'm trying to replace this line:

if ( fscanf(fp, "P%c\n", &ch) != 1 )

If I understand correctly, it tries to read in a char and store it to &ch, only if it's between a 'P' and a '\n'. Is that right? And if it succeeds, it returns 1 (the number of characters it read)?

I'm trying to come up with a C++ version. Is there any easy way to do a formatted read like that? Or do I need to use fstream, operator>>, and nested if statements?

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Safe C++ alternative with type checks is std::stringstream.

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In Visual Studio, the safe, but non-portable, equivalent function is fscanf_s.

In general, for portability, you would use one of the stream classes, which, as you note, can be a pain to format correctly.