--- Libc/Libc-391.5.18/gen/crypt.3
+++ Libc/Libc-583/gen/crypt.3
@@ -36,23 +36,26 @@
 .Os "FreeSec 1.0"
 .Sh NAME
 .Nm crypt ,
-.Nm setkey ,
 .Nm encrypt ,
-.Nm des_setkey ,
-.Nm des_cipher ,
+.Nm setkey
 .Nd DES encryption
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
-.Ft char
-.Fn *crypt "const char *key" "const char *setting"
+.Ft char *
+.Fo crypt
+.Fa "const char *key"
+.Fa "const char *salt"
+.Fc
 .Ft void
-.Fn setkey "char *key"
+.Fo encrypt
+.Fa "char *block"
+.Fa "int edflag"
+.Fc
+.Fd #include <stdlib.h>
 .Ft void
-.Fn encrypt "char *block" "int flag"
-.Ft int
-.Fn des_setkey "const char *key"
-.Ft int
-.Fn des_cipher "const char *in" "char *out" "long salt" "int count"
+.Fo setkey
+.Fa "const char *key"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn crypt
@@ -66,8 +69,8 @@
 .Dv null Ns -terminated
 string, typically a user's typed password.
 The second is in one of two forms:
-if it begins with an underscore (``_'') then an extended format is used
-in interpreting both the key and the setting, as outlined below.
+if it begins with an underscore (``_''), an extended format is used
+in interpreting both the key and the salt value, as outlined below.
 .Ss Extended crypt:
 .Pp
 The
@@ -79,7 +82,9 @@
 For each additional group, the XOR of the encryption of the current DES
 key with itself and the group bits becomes the next DES key.
 .Pp
-The setting is a 9-character array consisting of an underscore followed
+The
+.Ar salt
+is a 9-character array consisting of an underscore, followed
 by 4 bytes of iteration count and 4 bytes of salt.
 These are encoded as printable characters, 6 bits per character,
 least significant character first.
@@ -95,10 +100,10 @@
 .Tn DES
 key.
 .Pp
-The setting is a 2-character array of the ASCII-encoded salt.
-Thus only 12 bits of
+The
 .Fa salt
-are used.
+is a 2-character array of the ASCII-encoded salt.
+Thus, only 12 bits of salt are used.
 .Fa count
 is set to 25.
 .Ss Algorithm:
@@ -120,29 +125,27 @@
 .Tn DES
 E-box output).
 .Pp
-The DES key is used to encrypt a 64-bit constant using
+The DES key is used to encrypt a 64-bit constant, using
 .Ar count
 iterations of
 .Tn DES .
 The value returned is a
 .Dv null Ns -terminated
 string, 20 or 13 bytes (plus null) in length, consisting of the
-.Ar setting
+.Ar salt ,
 followed by the encoded 64-bit encryption.
 .Pp
 The functions,
-.Fn encrypt ,
-.Fn setkey ,
-.Fn des_setkey
-and
-.Fn des_cipher
+.Fn encrypt
+and
+.Fn setkey
 provide access to the
 .Tn DES
 algorithm itself.
 .Fn setkey
 is passed a 64-byte array of binary values (numeric 0 or 1).
 A 56-bit key is extracted from this array by dividing the
-array into groups of 8, and ignoring the last bit in each group.
+array into groups of 8 and ignoring the last bit in each group.
 That bit is reserved for a byte parity check by DES, but is ignored
 by these functions.
 .Pp
@@ -152,66 +155,56 @@
 .Fn encrypt
 is also a 64-byte array of binary values.
 If the value of
-.Fa flag
+.Fa edflag
 is 0,
 .Fa block
-is encrypted otherwise it is decrypted.
+is encrypted; otherwise, it is decrypted.
 The result is returned in the original array
-.Fa block
+.Fa block ,
 after using the key specified by
 .Fn setkey
 to process it.
 .Pp
-The argument to
-.Fn des_setkey
-is a character array of length 8.
-The least significant bit (the parity bit) in each character is ignored,
-and the remaining bits are concatenated to form a 56-bit key.
 The function
-.Fn des_cipher
-encrypts (or decrypts if
-.Fa count
-is negative) the 64-bits stored in the 8 characters at
-.Fa in
-using
-.Xr abs 3
-of
-.Fa count
-iterations of
-.Tn DES
-and stores the 64-bit result in the 8 characters at
-.Fa out
-(which may be the same as
-.Fa in
-).
-The
-.Fa salt
-specifies perturbations to the
-.Tn DES
-E-box output as described above.
-.Pp
-The function
 .Fn crypt
 returns a pointer to the encrypted value on success, and NULL on failure.
-The functions
-.Fn setkey ,
-.Fn encrypt ,
-.Fn des_setkey ,
-and
-.Fn des_cipher
-return 0 on success and 1 on failure.
-.Pp
-The
-.Fn crypt ,
-.Fn setkey
-and
-.Fn des_setkey
+.Pp
+The
+.Fn crypt
+and
+.Fn setkey
 functions all manipulate the same key space.
 .Sh SEE ALSO
 .Xr login 1 ,
 .Xr passwd 1 ,
 .Xr getpass 3 ,
+.Xr compat 5 ,
 .Xr passwd 5
+.Sh LEGACY SYNOPSIS
+.Fd #include <unistd.h>
+.Pp
+.Ft int
+.br
+.Fo encrypt
+.Fa "char *block"
+.Fa "int edflag"
+.Fc ;
+.Pp
+The function
+.Fn encrypt
+returns 0 on success and 1 on failure.
+.Pp
+.Ft void
+.br
+.Fo setkey
+.Fa "const char *key"
+.Fc ;
+.Pp
+The include file
+.In unistd.h
+is necessary and sufficient for the
+.Fn setkey
+function.
 .Sh BUGS
 The
 .Fn crypt