pub unsafe extern "C" fn Lex_extended_collation_st_merge_exact_collation(
this: *mut Lex_extended_collation_st,
rhs: *const Lex_exact_collation
) -> bool
pub unsafe extern "C" fn Lex_extended_collation_st_merge_exact_collation(
this: *mut Lex_extended_collation_st,
rhs: *const Lex_exact_collation
) -> bool