=head1 NAME
-ERR_print_errors, ERR_print_errors_fp - print error messages
+ERR_print_errors, ERR_print_errors_fp, ERR_print_errors_cb
+- print error messages
=head1 SYNOPSIS
void ERR_print_errors(BIO *bp);
void ERR_print_errors_fp(FILE *fp);
+ void ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u),
+ void *u)
+
=head1 DESCRIPTION
ERR_print_errors_fp() is the same, except that the output goes to a
B<FILE>.
+ERR_print_errors_cb() is the same, except that the callback function,
+B<cb>, is called for each error line with the string, length, and userdata
+B<u> as the callback parameters.
The error strings will have the following format: