FROM_LOOP_MIN_NEEDED_TO
#ifndef FROM_LOOP_MIN_NEEDED_TO
&& FROM_LOOP_MIN_NEEDED_TO == FROM_LOOP_MAX_NEEDED_TO \
if (FROM_LOOP_MIN_NEEDED_FROM % FROM_LOOP_MIN_NEEDED_TO == 0) \
* (FROM_LOOP_MIN_NEEDED_FROM / FROM_LOOP_MIN_NEEDED_TO); \
else if (FROM_LOOP_MIN_NEEDED_TO % FROM_LOOP_MIN_NEEDED_FROM == 0) \
/ (FROM_LOOP_MIN_NEEDED_TO / FROM_LOOP_MIN_NEEDED_FROM \
*inptrp -= ((outbuf - outerr) / FROM_LOOP_MIN_NEEDED_TO) \
step->__min_needed_to = FROM_LOOP_MIN_NEEDED_TO;
&& (FROM_LOOP_MIN_NEEDED_TO != 1 \
&& FROM_LOOP_MAX_NEEDED_TO % FROM_LOOP_MIN_NEEDED_TO == 0)) \
&& (uintptr_t) outbuf % FROM_LOOP_MIN_NEEDED_TO != 0)))