dpm_getifcevers - get DPM client version number
int dpm_getifcevers (char *version)
dpm_getifcevers gets the DPM client version number.
points at a buffer to receive the version number. The buffer
must be at least 256 characters long.
This routine returns 0 if the operation was successful or -1 if the
operation failed. In the latter case, serrno is set appropriately.
EFAULT version is a NULL pointer.