MimeKit.Header.Unfold C# (CSharp) Method

		public static unsafe string Unfold (string text)
		{
			int startIndex;
			int endIndex;
			int i = 0;

			if (text == null)
				return string.Empty;

			while (i < text.Length && char.IsWhiteSpace (text[i]))
				i++;

			if (i == text.Length)
				return string.Empty;

			startIndex = i;
			endIndex = i;

			while (i < text.Length) {
				if (!char.IsWhiteSpace (text[i++]))
					endIndex = i;
			}

			int count = endIndex - startIndex;
			char[] chars = new char[count];

			fixed (char* outbuf = chars) {
				char* outptr = outbuf;

				for (i = startIndex; i < endIndex; i++) {
					if (text[i] != '\r' && text[i] != '\n')
						*outptr++ = text[i];
				}

				count = (int) (outptr - outbuf);
			}

			return new string (chars, 0, count);
		}