Add a table of intrinsic variables to the interpreter
int SLadd_intrin_var_table (SLang_Intrin_Var_Type *tbl, char *pp_name);
The SLadd_intrin_var_table function adds an array, or table, of
SLang_Intrin_Var_Type objects to the interpreter. The first
parameter, tbl specifies the table to be added. The second
parameter pp_name, if non-NULL will be added to the list of
preprocessor symbols.
This function returns -1 upon failure or zero upon success.
SLadd_intrin_var_table, SLadd_intrinsic_function, SLdefine_for_ifdef