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FIDO_INIT(3)		    Library Functions Manual		  FIDO_INIT(3)

NAME
       fido_init, fido_set_log_handler -- initialise the FIDO2 library

SYNOPSIS
       #include	<fido.h>

       typedef void fido_log_handler_t(const char *);

       void
       fido_init(int flags);

       void
       fido_set_log_handler(fido_log_handler_t *handler);

DESCRIPTION
       The fido_init() function	initialises the	libfido2 library.  Its invoca-
       tion must precede that of any other libfido2 function in	the context of
       the executing thread.

       If  FIDO_DEBUG  is  set	in flags, then debug output will be emitted by
       libfido2	on stderr.  Alternatively, the FIDO_DEBUG environment variable
       may be set.

       If FIDO_DISABLE_U2F_FALLBACK is set in flags, then  libfido2  will  not
       fallback	to U2F in fido_dev_open(3) if a	device claims to support FIDO2
       but fails to respond to a CTAP 2.0 greeting.

       The  fido_set_log_handler()  function  causes  handler to be called for
       each log	line generated in the context of the executing thread.	 Lines
       passed  to  handler  include  a	trailing newline character and are not
       printed by libfido2 on stderr.

SEE ALSO
       fido_assert_new(3),    fido_cred_new(3),	    fido_dev_info_manifest(3),
       fido_dev_open(3)

FreeBSD	Ports 14.quarterly	 May 25, 2018			  FIDO_INIT(3)

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