Returns the first element in a list.
#include <smsutapi.h> NWSM_LIST *NWSMGetListHead ( NWSM_LIST_PTR *listPtr);
(IN) Points to a list initialized by NWSMInitList (cannot be a NULL pointer).
The following table lists the return values associated with the function.
0x00000000
Successful
Nonzero
Points to the first element in the list.
NULL
The list is empty.