ilstr_append_char
ilstr_append_char(&ilstr, ',');
ilstr_append_char(&ilstr, ',');
ilstr_append_char(&ilstr, ',');
ilstr_append_char(&ilstr, u8p[i]);
ilstr_append_char(output, c);
ilstr_append_char(output, c);
ilstr_append_char(output, c);
ilstr_append_char(&hdp->hdp_buf, ' ');
ilstr_append_char(&hdp->hdp_buf, ' ');
ilstr_append_char(&hdp->hdp_buf, ' ');
ilstr_append_char(&hdp->hdp_buf, 'v');
ilstr_append_char(&hdp->hdp_buf, ' ');
ilstr_append_char(&hdp->hdp_buf,
ilstr_append_char(i, ' ');
ilstr_append_char(i, '\n');
ilstr_append_char(i, '\n');
ilstr_append_char(ils, 'D');
ilstr_append_char(ils, '!');
extern void ilstr_append_char(ilstr_t *, char);