Am 11.09.2019 um 02:03 schrieb Blair, Charles E III:
> I have just installed cygwin (64 bit) and gcc. The "hello world" program
> works, but
>
> #include<stdio.h>
> int main(){printf( "%c\n" , 'X' );return 0;}
>
> leads to
>
> Unable to initialize device PRN
> Unable to initialize device PRN
I suspect you've just rediscovered ancient knowledge, which dates back
as far as MS-DOS 1.x:
THOU SHALT NOT NAME THINGS "CON", "COM", "NUL" or "PRN"
Those names are reserved for DOS device drivers (similar to, but much
more pervasive, than Unix' /dev/printer' etc.)
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