Mine

  #include <stdio.h>


  const char *data[] = {
        "  NULL};",
        "",
        "void print_string(const char *str)",
        "{",
        "  const char *ptr;",
        "  printf(\"  \\\"\");",
        "  for (ptr = str; *ptr != 0; ptr++)",
        "       if (*ptr == '\\\\')",
        "       printf(\"\\\\\\\\\");",
        "       else if (*ptr == '\"')",
        "       printf(\"\\\\\\\"\");",
        "       else",
        "       putchar(*ptr); ",
        "  printf(\"\\\",\\n\");",
        "}",
        "",
        "int main(void)",
        "{",
        "  const char **ptr;",
        "  printf(\"#include <stdio.h>\\n\\n\");",
        "  printf(\"const char *data[] = {\\n\");",
        "  for (ptr = data; *ptr != NULL; ptr++)",
        "       print_string(*ptr);",
        "  for (ptr = data; *ptr != NULL; ptr++)",
        "       printf(\"%s\\n\", *ptr);",
        "  return 0;",
        "}",
        NULL};


  void print_string(const char *str)
  {
        const char *ptr;
        printf("  \"");
        for (ptr = str; *ptr != 0; ptr++)
        if (*ptr == '\\')
        printf("\\\\");
        else if (*ptr == '"')
        printf("\\\"");
        else
        putchar(*ptr);
        printf("\",\n");
  }


  int main(void)
  {
        const char **ptr;
        printf("#include <stdio.h>\n\n");
        printf("const char *data[] = {\n");
        for (ptr = data; *ptr != NULL; ptr++)
        print_string(*ptr);
        for (ptr = data; *ptr != NULL; ptr++)
        printf("%s\n", *ptr);
        return 0;
  }