Update & reformat 1987 in 1984 style

1987/heckbert/heckbert.c

@@ -1,9 +1,8 @@
 #include <ctype.h>
 #include <stdio.h>
-#define _ define
-#_ A putchar
-#_ B return
-#_ C index
+#define A putchar
+#define B return
+#define C index
 char*r,c[300001],*d=">=<=!===||&&->++-->><<",*i,*l,*j,*m,*k,*n,*h,*y;e,u=1,v,w,
 f=1,p,s,x;main(a,b)char**b;{p=a>1?atoi(b[1]):79;r=c+read(0,j=l=i=c,300000);v=g(
 j,&m);for(k=m;v!=2;j=k,m=n,v=w,k=m){w=g(k,&n);if(v==1&&m-j==1&&*j==35)e&&A(10),