int strncmp(const uint8_t *b1, const uint8_t *b2, size_t len)
{
	int diff=0;
	

	for (;len && (*b1) && (*b2) && !(diff); --len) {
		diff = b1[i] - b2[i];
	}

	return diff;
}


strncmp.s:

ldis r5, 0      ;

:strfor
ldis r0, 0      ;
ldb r0, r1      ; r0 = (*b1)
ldb r5, r2      ; r5 = (*b2)
addi r3, 0      ; len == 0
addinq r0, 0    ; (*b1) == 0
addinq r5, 0    ; (*b2) == 0

ldiseq r0,0     ;    
reteq           ;

sub r0, r0, r5  ; diff = (*b1)-(*b2)
addi r0,0       ; diff!=0
retnq           ;
addi r1,1       ; ++b1
addi r2,1       ; ++b2
subi r3,1       ; ++len
branch strfor   ;