Opens data file.
Syntax
DlFileId DlFileOpen (DlId hLib, const char *DLD)
Arguments
hLib
Handle for current instance of Demographics Library, as returned by DlInit. Input
*DLD
String containing the full name and path of the file to open. This string must be 256 characters or less. Strings longer than 256 characters will be truncated. Input
Return Value
Returns handle to the data file if successful, NULL if unable to open file.
Notes
DlFileOpen opens a .DLD file for use and initializes memory for reading the data. A single instance of the Demographics Library can open multiple data files by repeating the DlFileOpen function.
See Also
DlFileClose