21 } alloc[100];  variable
29 	if (idx >= length(alloc))  in malloc()
32 	alloc[idx].pos = pos;  in malloc()
33 	alloc[idx].n = n;  in malloc()
53 		if (alloc[i].pos == pos)  in findidx()
62 	size_t m = alloc[findidx(p)].n;  in realloc()
72 	memset(p, 42, alloc[i].n);  in free()
73 	alloc[i].freed = 1;  in free()
79 		if (alloc[i].freed)  in checkfreed()
80 			for (size_t j=0; j<alloc[i].n; j++)  in checkfreed()
81 				if (buf[alloc[i].pos + j] != 42) {  in checkfreed()
82 …			t_error("freed allocation %d (pos: %zu, len: %zu) is clobbered\n", i, alloc[i].pos, alloc[i].n);  in checkfreed()