Function ffi_string_alloc 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn ffi_string_alloc(
    str: *const u8,
    len: usize,
) -> FfiString

Allocate and copy a UTF-8 string of len bytes starting at str.

Exported as: ffi_string_alloc

Safety

str must be valid for len bytes.