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+.TH LIBKECCAK_STATE_UNMARSHAL 3 LIBKECCAK
+.SH NAME
+libkeccak_state_unmarshal - Unharshals a hash state
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+size_t
+libkeccak_state_unmarshal(libkeccak_state_t *\fIstate\fP, const char *\fIdata\fP);
+.fi
+.P
+Link with
+.IR -lkeccak .
+.SH DESCRIPTION
+The
+.BR libkeccak_state_unmarshal ()
+function unmarshals a hash state from the beginning
+of
+.IR data .
+and stores it in
+.IR *state .
+.SH RETURN VALUES
+The
+.BR libkeccak_state_unmarshal ()
+returns the number of bytes reads from
+.IR data .
+.SH ERRORS
+The
+.BR libkeccak_state_unmarshal ()
+function may fail for any specified for the function
+.BR malloc (3).
+.SH SEE ALSO
+.BR libkeccak_state_marshal_size (3),
+.BR libkeccak_state_marshal (3),
+.BR libkeccak_state_unmarshal_skip (3)
+.SH BUGS
+Please report bugs to https://github.com/maandree/libkeccak/issues or to
+maandree@kth.se