I tried to compile "examles/graphics/wintest.c" for ZX81, using the compiler dated 04-04-2018:
zcc +zx81 -lgfx81hr192 -startup=4 -create-app -lmalloc -lndos wintest.c
I get error
" Error: cannot read file 'malloc.lib'
1 errors occurred during assembly"
The lib "malloc.lib" seems to be missing ...
Siggi