asprintf_expr_inout_ints
char *filter = asprintf_expr_inout_ints("id", !trace->not_ev_qualifier,
char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
return asprintf_expr_inout_ints(var, true, nints, ints);
return asprintf_expr_inout_ints(var, false, nints, ints);