Why would "fopen(stdin,"rb")" fail?

I am doing the following:

fclose(stdin);
FILE* fp=fopen(stdin,"rb");

The compiler complains as follows:
error C2664: 'fopen' : cannot convert parameter 1 from 'FILE *__w64 ' to 'const char *'

Since it has no complain about the fclose(), why would it complain about fopen?

My purpose is to check the input queue from keyboard, w/o waiting for the user

pressing Enter and actually w/o waiting at all - either there is a char in the buffer or not

so that I can also count a timeout.



Thanks,

David


.

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