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.

1989/ovdluhe/ovdluhe.orig.c

@@ -0,0 +1,21 @@
+#include <string.h>
+typedef char ape
+#define D define
+#D EA register
+#D EP unsigned
+#D A 1
+#D AP (A<<A)
+#D P (A<<AP)
+#D AE ((P<<P)<<A)
+#D PE (((A<<P)<<P)<<P)
+#D E ((EP)A>>A)
+#D APE {EA EP ape ea=AE;while(ea--) e[ea]=E;}
+;ape a[PE+A],ap,*ae,p[P+A],e[AE];
+main(){ape pe,*ep=a;srand((EP)time((long)E));
+while(((*(ep++)=getchar())!=-A)&&((ep-a)<PE));
+*(ae= --ep)=E;for(ap=E;ap<=P;){APE;if(pe=PA())
+{putchar(pe);if(ap<P){p[ap]=pe;ap++;}else{
+ep=p+A;while(*ep) *(ep-A)= *(ep++); *(ep-A)=pe;}}else break;}}
+PA(){EA ape pe,*ep=a,pa,Ap=E;for(ep=a;ep<ae-P;ep++)
+if(!strncmp(ep,p,ap)){e[*(ep+ap)]++;Ap++;}if(!Ap)return(Ap);
+pa=rand()%Ap+A;pe=~E,Ap=!Ap;while((Ap+=e[++pe])<pa);return(pe);}