| Table A.58 Concordance of PERSIS_2 files to functions. |
| Filename | Function Name |
| dan2psdt.c | day_number_to_persis_date () |
| daybtwps.c | days_between_persis_dates () |
| daysinps.c | days_since_persis_date () |
| dayuntps.c | days_until_persis_date () |
| JD02psdt.c | JD0_to_persis_date () |
| psdainmo.c | persis_days_in_month () |
| psdaynam.c | persis_day_name () |
| psdaynum.c | persis_day_number () |
| psdt2JD0.c | persis_date_to_JD0 () |
| psdtnaft.c | date_N_days_after_persis_date () |
| psdtnbef.c | date_N_days_before_persis_date () |
| psdttoda.c | persis_date_today () |
| psleapyr.c | persis_leap_year () |
| psmnthnm.c | persis_month_name () |
| valdatps.c | valid_date_persis () |