if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
srs_set_option(srs, SRS_OPTION_USETIMESTAMP, atoi(sbuf));
if((sbufp = string_nextinlist(&list, &co, sbuf, sizeof(sbuf))) != NULL)
srs_set_option(srs, SRS_OPTION_USETIMESTAMP, atoi(sbuf));