_NAME_
determineDataFilePathAndCreateDirsAsNeeded

_PROTOTYPE_
void determineDataFilePathAndCreateDirsAsNeeded(uint32 secondsSince1996,
                                const char *dataFileSuffix, char *path,
                                int *pIntervalNumber, char instrumentID);

_SHORT-DESCRIPTION_
Generate a data file path and create directories as needed for storage

_DESCRIPTION_
determineDataFilePathAndCreateDirsAsNeeded determines the
path to the archive file of a particular data type from a particular day.
If parts of this path do not exist yet, this routine attempts to create
them before handing back the file's (or file-to-be's) path.

_INPUT_
* secondsSince1996 is the number of seconds since 1/1/96
00:00:00. All data structs are time tagged with such a number. 
* dataFileSuffix is the 2 or 3 character string which is appended
to all data files containing a particular type of data. E.g., the
"hp" at the end of the file sis_prelim.1997.10.31.hp is the
marker used for all high priority rate data. 
* path is a pointer to a char array of sufficient size to hold the file
path. 
* pIntervalNumber is a pointer to an int. 
* instrumentID is either 'c' or 's' to denote CRIS or SIS
respectively. 

_OUTPUT_
* The path of the data file is placed in the location pointed to by
the char* path (which is passed to the routine as an argument). 
* The time slot in the data file associated with the value of the
secondsSince1996 argument is returned in the location pointed
to by the int* pIntervalNumber (which is passed to the routine
as an argument).