Определение констант. #define, #ifdef-#endef
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#include <stdio.h>
#define LINE "_____________________"
#define TITLE "Учи язык C и все будет заебись"
#define AUTOR "BlackCoffee"
#ifdef _WIN32
#define SYSTEM "Windows"
#endif
#ifdef linux
#define SYSTEM "Linux"
#endif
int main()
{
printf("\n \t %s \n \t %s \n", LINE, TITLE);
printf("\t by %s \n \t %s \n", AUTOR, LINE);
printf("\n Operation SYSTEM: %s \n", SYSTEM);
return 0;
}
C
INFO