char s[]="int main()\n{\nchar *p;\nprintf(\"char s[]=\\\"\");\nfor (p = s; *p; p++) {\nswitch (*p) {\ncase '\\\\':\nprintf(\"\\\\\\\\\");\nbreak;\ncase '\"':\nprintf(\"\\\\\\\"\");\nbreak;\ncase '\\n':\nprintf(\"\\\\n\");\nbreak;\ndefault:\nprintf(\"%c\", *p);\n}\n}\nprintf(\"\\\";\\n\\n%s\\n\", s);\n}";

int main()
{
char *p;
printf("char s[]=\"");
for (p = s; *p; p++) {
switch (*p) {
case '\\':
printf("\\\\");
break;
case '"':
printf("\\\"");
break;
case '\n':
printf("\\n");
break;
default:
printf("%c", *p);
}
}
printf("\";\n\n%s\n", s);
}