restore *.orig.c to each entry

Under each yyyy/dir there is a file of the form '*.orig.c'
containing the original source code, or as close as we can
get to the original source code.

1998/dorssel/dorssel.orig.c

@@ -0,0 +1,18 @@
+#include<stdio.h>
+#include<string.h>
+
+main()
+{
+	char*O,l[999]="'`acgo\177~|xp .-\0R^8)NJ6%K4O+A2M(*0ID57$3G1FBL";
+	while(O=fgets(l+45,954,stdin)){
+		*l=O[strlen(O)[O-1]=0,strspn(O,l+11)];
+		while(*O)switch((*l&&isalnum(*O))-!*l){
+		case-1:{char*I=(O+=strspn(O,l+12)+1)-2,O=34;
+			while(*I&3&&(O=(O-16<<1)+*I---'-')<80);
+			putchar(O&93?*I&8||!(I=memchr(l,O,44))?'?':I-l+47:32);
+			break;
+		case 1:	;}*l=(*O&31)[l-15+(*O>61)*32];
+			while(putchar(45+*l%2),(*l=*l+32>>1)>35);
+		case 0:	putchar((++O,32));}
+	putchar(10);}
+}