| Table A.24 Concordance of PERSIS_2 functions to files. |
| Function Name | Filename |
| date_N_days_after_persis_date () | psdtnaft.c |
| date_N_days_before_persis_date () | psdtnbef.c |
| days_between_persis_dates () | daybtwps.c |
| days_since_persis_date () | daysinps.c |
| days_until_persis_date () | dayuntps.c |
| day_number_to_persis_date () | dan2psdt.c |
| JD0_to_persis_date () | JD02psdt.c |
| persis_date_today () | psdttoda.c |
| persis_date_to_JD0 () | psdt2JD0.c |
| persis_days_in_month () | psdainmo.c |
| persis_day_name () | psdaynam.c |
| persis_day_number () | psdaynum.c |
| persis_leap_year () | psleapyr.c |
| persis_month_name () | psmnthnm.c |
| valid_date_persis () | valdatps.c |