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+.TH LIBKECCAK_STATE_CREATE 3 LIBKECCAK
+.SH NAME
+libkeccak_state_create - Allocate and initialise hash state
+.SH SYNOPSIS
+.LP
+.nf
+#include <libkeccak.h>
+.P
+libkeccak_state_t *
+libkeccak_state_create(const libkeccak_spec_t *\fIspec\fP);
+.fi
+.P
+Link with
+.IR -lkeccak .
+.SH DESCRIPTION
+The
+.BR libkeccak_state_create ()
+function allocates a new
+.I libkeccak_state_t*
+with one initialised element, and sets the algorithm
+tuning parameters to those specified by
+.IR *spec .
+.SH RETURN VALUES
+The
+.BR libkeccak_state_create ()
+function returns a newly allocated
+.I libkeccak_state_t*
+(of one initialised element) upon successful completion.
+On error,
+.I NULL
+is returned and
+.I errno
+is set to describe the error.
+.SH ERRORS
+The
+.BR libkeccak_state_create ()
+function may fail for any specified for the function
+.BR malloc (3).
+.SH SEE ALSO
+.BR libkeccak_state_initialise (3),
+.BR libkeccak_state_free (3),
+.BR libkeccak_state_fast_free (3)
+.BR libkeccak_state_duplicate (3)
+.SH BUGS
+Please report bugs to https://github.com/maandree/libkeccak/issues or to
+maandree@kth.se