fprintf(stderr, "conf_block:\n");
for (char c : conf_block) {
if (isascii((unsigned char)c) && isprint((unsigned char)c) && c != '\\')
fprintf(stderr, "conf_block:\n");
for (char c : conf_block) {
if (isascii((unsigned char)c) && isprint((unsigned char)c) && c != '\\')