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TS_ERROR_FN(3)			     tslib			TS_ERROR_FN(3)

NAME
       ts_error_fn - use a custom error	function for libts library errors

SYNOPSIS
       #include	<tslib.h>

       int (*ts_error_fn)(const	char *fmt, va_list ap);

DESCRIPTION
       ts_error_fn() is	by default implemented similar like this:

       static int errfn(const char *fmt, va_list ap)
       {
	       return vfprintf(stderr, fmt, ap);
       }

       inside  the library. It is exposed to the user and can be replaced by a
       custom error function. Simply  assign  your  custom  implementation  to
       ts_error_fn like

       ts_error_fn = my_custom_errfn;

       It  can	be  used  to  write  the  system  log  files, for example. The
       ts_print_mt test	program	has an example.

RETURN VALUE
       user defined.

SEE ALSO
       ts_read(3), ts_open(3), ts_setup(3), ts_close(3), ts.conf(5)

								TS_ERROR_FN(3)

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<https://man.freebsd.org/cgi/man.cgi?query=ts_error_fn&sektion=3&manpath=FreeBSD+Ports+15.0>

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