Build a FAST_ARRAY of STRINGs from a_pointer which must be of a
NULL-terminated array of C strings, that is a "char**" String
contents and array itself are copied.
This exception occurs when Void is passed as the expression
to inspect ("inspect on STRING only).
This exception also occurs when the inspected value selects no branch (when the keyword "else"
not used, one "when" branch _must_ be selected). Some value which is not one of the inspect
constants, if there is no Else_part
h
Build a FAST_ARRAY of STRINGs from a_pointer which must be of a
NULL-terminated array of C strings, that is a "char**" String
contents and array itself are copied.