expand_error
static char expand_error[] = "No space to expand \"%s\"";
plog(XLOG_ERROR, expand_error, *p->opt);
plog(XLOG_ERROR, expand_error, *p->opt);
plog(XLOG_ERROR, expand_error, *p->opt);
plog(XLOG_ERROR, expand_error, *p->opt);
plog(XLOG_ERROR, expand_error, *p->opt);
expand_error(fmt, efmt, sizeof(efmt));