Closed issue by loreb on void-packages repository

https://github.com/void-linux/void-packages/issues/18499

Description:
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### System

* xuname:  
  Void 5.4.13_2 x86_64-musl GenuineIntel uptodate rFFF
* package:  
  jfsutils-1.1.15_2

### Expected behavior
mkfs -t jfs foo.img asks me if I really really want to destroy foo.img or /dev/sdXN (Y/N)

### Actual behavior
I have to press Y, **then** the question comes up - they forgot to fflush stdout :)

### Steps to reproduce the behavior
Run it on musl, glibc happens to work for some weird reason