-failed_assert(char *a, char *file, int line)
-{
- fprintf(stderr, "Assertion \"%s\" failed at %s:%d\n", a, file, line);
- abort();
+eprint(const char *errstr, ...) {
+ va_list ap;
+
+ va_start(ap, errstr);
+ vfprintf(stderr, errstr, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);