clever isdigit/isupper macros; from Chris

[unix-history] / usr / src / sys / stand.att / cat.c

diff --git a/usr/src/sys/stand.att/cat.c b/usr/src/sys/stand.att/cat.c
index 1c5384c..12021eb 100644 (file)
--- a/usr/src/sys/stand.att/cat.c
+++ b/usr/src/sys/stand.att/cat.c
@@ -1,17 +1,28 @@
-/*     cat.c   4.2     81/03/15        */
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *     @(#)cat.c       7.3 (Berkeley) %G%
+ */

 
 main()
 {
 
 main()
 {

-       int c, i;
-       char buf[50];
+       register int c, fd;

 
 

-       do {
-               printf("File: ");
-               gets(buf);
-               i = open(buf, 0);
-       } while (i <= 0);
-
-       while ((c = getc(i)) > 0)
+       fd = getfile("File: ", 0);
+       while ((c = getc(fd)) > 0)

                putchar(c);
        exit(0);
 }
                putchar(c);
        exit(0);
 }