READ_DATA_PENDING_PTR 134 io.c           #    define READ_DATA_PENDING_PTR(fp) ((fp)->_IO_read_ptr)
READ_DATA_PENDING_PTR 138 io.c           #    define READ_DATA_PENDING_PTR(fp) ((fp)->_gptr)
READ_DATA_PENDING_PTR 157 io.c           #  define READ_DATA_PENDING_PTR(fp) ((fp)->FILE_READPTR)