STDIO_READ_DATA_PENDING  153 io.c           #    define STDIO_READ_DATA_PENDING(fp) ((fp)->_IO_read_ptr != (fp)->_IO_read_end)
STDIO_READ_DATA_PENDING  155 io.c           #    define STDIO_READ_DATA_PENDING(fp) ((fp)->_gptr < (fp)->_egptr)
STDIO_READ_DATA_PENDING  158 io.c           #  define STDIO_READ_DATA_PENDING(fp) ((fp)->FILE_COUNT > 0)
STDIO_READ_DATA_PENDING  160 io.c           #  define STDIO_READ_DATA_PENDING(fp) ((fp)->FILE_READPTR < (fp)->FILE_READEND)
STDIO_READ_DATA_PENDING  162 io.c           #  define STDIO_READ_DATA_PENDING(fp) (fp->_state._eof == 0)
STDIO_READ_DATA_PENDING  164 io.c           #  define STDIO_READ_DATA_PENDING(fp) (!feof(fp))