DCL:MISC１:DATELIB : Handling of Dates *#
| NDATE1(IDATE,NDATE) | Same as DATEG1(NDATE1,IDATE,NDATE). |
| NDATE2(IY,ITD,NY,NTD) | Same as DATEG2(NDATE2,IY,ITD,NY,NTD). |
| NDATE3(IY,IM,ID,NY,NM,ND) | Same as DATEG3(NDATE3,IY,IM,ID,NY,NM,ND). |
| IWEEK1(IDATE) | Returns the day number which corresponds to the Type 1 date IDATE. |
| IWEEK2(IY,ITD) | Returns the day number which corresponds to the Type 2 date IY,ITD. |
| IWEEK3(IY,IM,ID) | Returns the day number which corresponds to the Type 3 date IY,IM,ID. |
| NDMON(IY,IM) | Returns the number of days in month IM of year IY. |
| NDYEAR(IY) | Returns the number of days in year IY. |
| CMON(IM) | A character-type function that returns the name of month represented by characters. The length of the character string must be specified by the user. |
| CWEEK(IW) | A character-type function that returns the day of week represented by characters. The length of the character string must be specified by the user. |