static int ftp_features(FTPContext *s) { static const char *feat_command = "FEAT\r\n"; static const char *enable_utf8_command = "OPTS UTF8 ON\r\n"; static const int feat_codes[] = {211, 0}; static const int opts_codes[] = {200, 451}; char *feat; if (ftp_send_command(s, feat_command, feat_codes, &feat) == 211) { if (av_stristr(feat, "UTF8")) ftp_send_command(s, enable_utf8_command, opts_codes, NULL); } return 0; }