READ_DATA_PENDING  172 io.c           #define READ_DATA_BUFFERED(fptr) READ_DATA_PENDING(fptr)
READ_DATA_PENDING  175 io.c               if (!READ_DATA_PENDING(fptr)) {\
READ_DATA_PENDING  421 io.c               return READ_DATA_PENDING(fptr);
READ_DATA_PENDING  435 io.c               if (!READ_DATA_PENDING(fptr)) {
READ_DATA_PENDING 1221 io.c               if (READ_DATA_PENDING(fptr)) return Qfalse;
READ_DATA_PENDING 1429 io.c               if (READ_DATA_PENDING(fptr) == 0) {
READ_DATA_PENDING 6510 io.c           	    if (READ_DATA_PENDING(fptr)) { /* check for buffered data */