Creates a file with a hold in it

# include

# include

# include

# include “ourhdr.h”

char buf1[ ] = “abcdefghij”;

char buf2[] = “ABCDEFGHIJ”;

int

main(void)

{

int fd;

if( (fd=creat(“file.hole”, FILE_MODE ) ) <0)

err_sys(“creat error”);

if(write(fd, buf1, 10) !=10)

err_sys(“buf1 write error”);

if(lseek (fd, 40, SEEK_SET) = = -1)

err_sys(“lseek error”);

if (write (fd, buf2, 10) ! = 10)

err_sys(“buf2 write error”);

exit (0);

}