diff -rupN --no-dereference jasper-version-2.0.26/src/appl/tmrdemo.c jasper-version-2.0.26-new/src/appl/tmrdemo.c
--- jasper-version-2.0.26/src/appl/tmrdemo.c 2021-03-05 14:59:24.000000000 +0100
+++ jasper-version-2.0.26-new/src/appl/tmrdemo.c 2021-03-05 23:41:58.825695454 +0100
@@ -1,4 +1,5 @@
#include <jasper/jasper.h>
+#include <windows.h>
int main(int argc, char **argv)
{
@@ -43,7 +44,7 @@ int main(int argc, char **argv)
printf("zero time %.3f us\n", t * 1e6);
jas_tmr_start(&tmr);
- sleep(1);
+ Sleep(1);
jas_tmr_stop(&tmr);
t = jas_tmr_get(&tmr);
printf("time delay %.8f s\n", t);