ts_error_fn - Man Page

#include <tslib.h>

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

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.

user defined.

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