Removed statement that glibc unconditionally exposes declarations

of encrypt() and setkey(), since portable applications must
use <unistd.h> and define _XOPEN_SOURCE to obtain the declarations 
of setkey() and encrypt().  Adjusted example program accordingly.

1 files changed, 3 insertions, 6 deletions

diff --git a/man3/encrypt.3 b/man3/encrypt.3
index d30395521..d3552077a 100644
--- a/man3/encrypt.3
+++ b/man3/encrypt.3
@@ -116,14 +116,11 @@ The function is not provided.
 You need to link with libcrypt to compile this example with glibc 2.2.
 To do useful work the key[] and txt[] arrays must be filled with a
 useful bit pattern.
-Note that the <crypt.h> header unconditionally
-gives the prototypes for
-.BR setkey ()
-and
-.BR encrypt ().
 .sp
 .nf
-#include <crypt.h>
+#define _XOPEN_SOURCE
+#include <unistd.h>
+#include <stdlib.h>
 
 int
 main(void)