нажми win e
в адрес введи shell:startup
там создай файл cp.cmd
в нем chcp 1251
перегрузись

gcc -Wall -o "proba" "proba.c" (в каталоге: /opt)
proba.c:3:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
main ()
^~~~
proba.c: In function ‘main’:
proba.c:7:10: warning: unknown escape sequence: '\N'
printf("\N");
^~~~
Сборка прошла успешно.

#include ‹stdio.h›

main()
{
printf("Hello, ");
printf("world");
printf('\n');
}

gcc -Wall -o "proba" "proba.c" (в каталоге: /opt)
proba.c:3:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
main ()
^~~~
proba.c: In function ‘main’:
proba.c:7:10: warning: passing argument 1 of ‘printf’ makes pointer from integer without a cast [-Wint-conversion]
printf('\n');
^~~~
In file included from proba.c:1:0:
/usr/include/stdio.h:318:12: note: expected ‘const char * restrict’ but argument is of type ‘int’
extern int printf (const char *__restrict __format, ...);
^~~~~~
proba.c:7:3: warning: format not a string literal and no format arguments [-Wformat-security]
printf('\n');
^~~~~~
Сборка прошла успешно.

Segmentation fault (core dumped)

qwerty.pas(2,6) Fatal: Can't find unit ncursesw used by qwerty