This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* Assuming the stream STREAM is open for reading:
Return the number of bytes waiting in the input buffer of STREAM.
/* Assuming the stream STREAM is open for reading:
Return the number of bytes waiting in the input buffer of STREAM.
If this number is 0 and the stream is not currently writing,
fflush (STREAM) is known to be a no-op.
STREAM must not be wide-character oriented. */
If this number is 0 and the stream is not currently writing,
fflush (STREAM) is known to be a no-op.
STREAM must not be wide-character oriented. */