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/*

 * crypt(3) implementation for uClibc

 *

 * The uClibc Library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * The GNU C Library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with the GNU C Library; if not, write to the Free

 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

 * 02111-1307 USA.

 *

 */

#ifndef _CRYPT_H

#define _CRYPT_H        1

#include <features.h>

__BEGIN_DECLS

/* Encrypt characters from KEY using salt to perturb the encryption method.

 * If salt begins with "$1$", MD5 hashing is used instead of DES. */

extern char *crypt (const char *__key, const char *__salt);

/* Setup DES tables according KEY.  */

extern void setkey (const char *__key);

/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt

   block in place.  */

extern void encrypt (char *__block, int __edflag);

__END_DECLS

#endif  /* crypt.h */