text: #include "complex.h"
  
  void error_exit_not_a_complex_number(cchr *s)
  {
     printf("%s%s%s",
        "\n"
        "---\n"
        "ERROR: Not a complex number:\n"
        "\n"
        "   Here is part of what you typed in:\n"
        "\n"
        "      ", s, "\n"
        "\n"
        "   This string cannot be interpreted as a complex number.\n"
        "   Here are some examples of acceptable complex numbers:\n"
        "\n"
        "      1.23+4.567i     -0.123     1+i     i\n"
        "\n"
        "   Only two such numbers can occur on your input line.\n"
        "\n"
        "Bye!\n"
        "\n");
     exit(1);
  }
  
  void error_exit_too_many_numbers(cchr *line)
  {
     printf("%s%s%s",
        "\n"
        "---\n"
        "INPUT ERROR:\n"
        "\n"
        "   Too many numbers on the line or numbers in the wrong format:\n"
        "   Here is the line that you typed in:\n"
        "\n"
        "      ", line,
        "\n"
        "   Here are some examples of acceptable complex numbers:\n"
        "\n"
        "      1.23+4.567i     -0.123     1+i     i\n"
        "\n"
        "   Only two such numbers can occur on your input line.\n"
        "\n"
        "Bye!\n"
        "\n");
     exit(1);
  }
  