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#define F_CPU 16000000
#include <avr/io.h>
#include <util/delay.h>
 
int main(void)
{
    DDRC |= (1 << DDC0);
    while(1)
    {
        PORTC ^= (1 << PORTC0);
        _delay_ms(500);
    }
}
 

prog.cpp:2:20: error: avr/io.h: No such file or directory
prog.cpp:3:24: error: util/delay.h: No such file or directory
prog.cpp: In function ‘int main()’:
prog.cpp:7: error: ‘DDRC’ was not declared in this scope
prog.cpp:7: error: ‘DDC0’ was not declared in this scope
prog.cpp:10: error: ‘PORTC’ was not declared in this scope
prog.cpp:10: error: ‘PORTC0’ was not declared in this scope
prog.cpp:11: error: ‘_delay_ms’ was not declared in this scope

Standard output is empty