309     pub fn to_cstring(&self) -> Result<CString, AllocError> {  in to_cstring()
352     pub fn to_ascii_lowercase(&self) -> Result<CString, AllocError> {  in to_ascii_lowercase()
369     pub fn to_ascii_uppercase(&self) -> Result<CString, AllocError> {  in to_ascii_uppercase()
792 pub struct CString {  struct
793     buf: Vec<u8>,
796 impl CString {  impl
831 impl Deref for CString {  implementation
841 impl DerefMut for CString {  implementation
849 impl<'a> TryFrom<&'a CStr> for CString {  implementation
852     fn try_from(cstr: &'a CStr) -> Result<CString, AllocError> {  in try_from()
864 impl fmt::Debug for CString {  implementation