for (l = nrbits; l < (CHAR_BIT * TEST_LEN) - s; l++) {
init_byte_array(target.c, TEST_LEN, 0xFF);
ctf_bitfield_write(target.c, s, l, src);
for (l = nrbits; l < (CHAR_BIT * TEST_LEN) - s; l++) {
init_byte_array(target.c, TEST_LEN, 0xFF);
ctf_bitfield_write(target.c, s, l, src);