rqst_exp_get_by_name
struct svc_export *exp = rqst_exp_get_by_name(rqstp, path);
exp = rqst_exp_get_by_name(rqstp, path);
struct svc_export * rqst_exp_get_by_name(struct svc_rqst *,
exp2 = rqst_exp_get_by_name(rqstp, &path);