Given an ip_value, find the address of the unwind information
block language specific data area (LSDA), and write it to
unwind_lsda_p. If not present, then write 0 to unwind_lsda_p.
Format
LIB$X86_GET_UNWIND_LSDA (ip_value, unwind_lsda_p)
Additional Information:
explode
extract