NAME
        FGetC -- read a character from the specified input (buffered) (v36)

   SYNOPSIS
        char = FGetC(fh)
        D0           D1

        long fgetc(bptr)

   FUNCTION
        Reads the next character from the input stream.  A -1 is
        returned when EOF or an error is encountered.  This call is buffered.
        Use flush() between buffered and unbuffered i/o on a filehandle.

   INPUTS
        fh - filehandle to use for buffered I/O

   RESULT
        char - character read (0-255) or -1

   BUGS
        In V36, after an EOF was read, EOF would always be returned from
        FGetC() from then on.  Starting in V37, it tries to read from the
        handler again each time (unless UnGetC(fh,-1) was called).

   SEE ALSO
        fputc(), ungetc(), flush()