med_err _MED21attrNumLire(med_idt pere, med_type_champ type, char *nom, unsigned char *val, hid_t hdf_file)
med_err _MED21datasetNumLire(med_idt pere, char *nom, med_type_champ type, med_mode_switch interlace, med_size nbdim, med_size fixdim, med_size psize, med_ssize *pfltab, med_int ngauss, unsigned char *val, hid_t hdf_file)