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 _RetDateStr( ) API Library Routine

Sets the library return value to a date.

void _RetDateStr(char FAR *string)
char FAR *string;            /* Date string. */

Expand imageRemarks

Specify the date string in mm/dd/year format, in which the year may be either two or four digits.

For more information on how to create an API library and integrate it with Visual FoxPro, see Accessing the Visual FoxPro API.

Expand imageExample

The following example converts a character string into a date data type and returns it to Visual FoxPro.

Visual FoxPro Code

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SET LIBRARY TO RETDATES
? DATES("02/16/95")  && returns date {02/16/95}

C Code

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#include <pro_ext.h>
void FAR dates(ParamBlk FAR *parm)
{
   MHANDLE mh;
   char FAR *instring;
   if ((mh = _AllocHand(parm->p[0].val.ev_length + 1)) == 0) 
   {
      _Error(182); // "Insufficient memory"
   }
   _HLock(parm->p[0].val.ev_handle);
   instring = _HandToPtr(parm->p[0].val.ev_handle);
   instring[parm->p[0].val.ev_length] = '\0';
   _RetDateStr(instring);
   _HUnLock(parm->p[0].val.ev_handle);
}
FoxInfo myFoxInfo[] = {
   {"DATES", (FPFI) dates, 1, "C"}
};
FoxTable _FoxTable = {
   (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
};

Expand imageSee Also