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- #include <sys/mman.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <stdio.h>
- #include <unistd.h>
- int main()
- {
- int descriptor = open("tekst.txt",O_RDWR);
- char string[] = "Systemy Operacyjne\n";
- lseek(descriptor,0,SEEK_END);
- int descriptor2 = dup(descriptor);
- write(descriptor2,(void *)string,sizeof(string)-1);
- close(descriptor);
- close(descriptor2);
- return 0;
- }
- #include <sys/mman.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <stdio.h>
- #include <unistd.h>
- int main()
- {
- int descriptor = open("tekst.txt",O_RDWR);
- char string[] = "BARDZO WAZNA INFORMACJA\n";
- lseek(descriptor,0,SEEK_END);
- int descriptor2 = dup(descriptor);
- write(descriptor2,(void *)string,sizeof(string)-1);
- close(descriptor);
- close(descriptor2);
- return 0;
- }
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