rename size to acksize

.  in keeping with the pattern: elf/binutils tools have
	   regular names, ack tools have 'exceptional' names

commands/acksize/Makefile

@@ -0,0 +1,4 @@
+PROG=	acksize
+MAN=
+
+.include <bsd.prog.mk>

commands/acksize/acksize.c

@@ -0,0 +1,64 @@
+/* size - tell size of an object file		Author: Andy Tanenbaum */
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <a.out.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+int heading;			/* set when heading printed */
+int error;
+
+_PROTOTYPE(int main, (int argc, char **argv));
+_PROTOTYPE(void size, (char *name));
+
+int main(argc, argv)
+int argc;
+char *argv[];
+{
+  int i;
+
+  if (argc == 1) {
+	size("a.out");
+	exit(error);
+  }
+  for (i = 1; i < argc; i++) size(argv[i]);
+  return(error);
+}
+
+
+
+void size(name)
+char *name;
+{
+  int fd, separate;
+  long dynam, allmem;
+  struct exec exec;
+
+  if ((fd = open(name, O_RDONLY)) < 0) {
+	fprintf(stderr, "size: can't open %s\n", name);
+	error = 1;
+	return;
+  }
+  if (read(fd, (char *)&exec, sizeof(struct exec)) != sizeof(struct exec)) {
+	fprintf(stderr, "size: %s: header too short\n", name);
+	error = 1;
+	close(fd);
+	return;
+  }
+  if (BADMAG(exec)) {
+	fprintf(stderr, "size: %s not an object file\n", name);
+	error = 1;
+	close(fd);
+	return;
+  }
+  separate = (exec.a_flags & A_SEP ? 1 : 0);
+  dynam = exec.a_total - exec.a_text - exec.a_data - exec.a_bss;
+  if (separate) dynam += exec.a_text;
+  allmem = (separate ? exec.a_total + exec.a_text : exec.a_total);
+  if (heading++ == 0) printf("   text    data     bss    stack   memory\n");
+  printf("%7ld %7ld %7ld %8ld %8ld  %s\n",
+         exec.a_text, exec.a_data, exec.a_bss, dynam, allmem, name);
+  close(fd);
+}