Code cleanups.
 [jmk] --rw-rw-r-- M 960117 glenda sys 662 Dec  8 09:33 sys/src/ape/lib/ap/stdio/fread.c
	/n/sourcesdump/2005/1208/plan9/sys/src/ape/lib/ap/stdio/fread.c:7,13 - 
	/n/sourcesdump/2005/1209/plan9/sys/src/ape/lib/ap/stdio/fread.c:7,13
	  #define BIGN (BUFSIZ/2)
	  
	  size_t fread(void *p, size_t recl, size_t nrec, FILE *f){
	- 	char *s, *es;
	+ 	char *s;
	  	int n, d, c;
	  
	  	s=(char *)p;