Self-replicating program!

[luserXtrog]

#include <stdio.h>

void with(char *s) {
for (; *s; s++) switch (*s) {
case '\n': putchar('\\'); putchar('n'); break;
case '\\': putchar('\\'); putchar('\\'); break;
case '\"': putchar('\\'); putchar('\"'); break;
default: putchar(*s);
}
}
void out(char *s) { for (; *s; s++) putchar(*s); }
int main() {
char *a[] = {
"#include <stdio.h>\n\n",
"void with(char *s) {\n",
" for (; *s; s++) switch (*s) {\n",
" case '\\",
"n': putchar('\\\\'); putchar('n'); break;\n",
" case '\\\\': putchar('\\\\'); putchar('\\\\'); break;\n",
" case '\\\"': putchar('\\\\'); putchar('\\\"'); break;\n",
" default: putchar(*s);\n",
" }\n}\n",
"void out(char *s) { for (; *s; s++) putchar(*s); }\n",
"int main() {\n",
" char *a[] = {\n",
NULL }, *b[] = {
"NULL }, **p;\n",
" for (p = a; *p; p++) out(*p);\n",
" for (p = a; *p; p++) {\n",
" putchar('\\\"');\n",
" with(*p);\n",
" putchar('\\\"'); putchar(','); putchar('\\",
"n');\n",
" }\n",
" out(\"NULL }, *b[] = {\\",
"n\");\n",
" for (p = b; *p; p++) {\n",
" putchar('\\\"');\n",
" with(*p);\n",
" putchar('\\\"'); putchar(','); putchar('\\",
"n');\n",
" }\n",
" for (p = b; *p; p++) out(*p);\n",
"}\n",
NULL }, **p;
for (p = a; *p; p++) out(*p);
for (p = a; *p; p++) {
putchar('\"');
with(*p);
putchar('\"'); putchar(','); putchar('\n');
}
out("NULL }, *b[] = {\n");
for (p = b; *p; p++) {
putchar('\"');
with(*p);
putchar('\"'); putchar(','); putchar('\n');
}
for (p = b; *p; p++) out(*p);
}

--
lxt