https://doc.rust-lang.org/nightly/alloc/ffi/c_str/struct.NulError.html
NulError in alloc::ffi::c_str - Rust
An error indicating that an interior nul byte was found.
allocffistrrust
https://doc.rust-lang.org/alloc/ffi/struct.NulError.html
NulError in alloc::ffi - Rust
An error indicating that an interior nul byte was found.
allocffirust