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#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
int main(int argc, char *argv[])
{
int status;
int fd;
int i;
for (i = 1; i < argc; i++) {
char buffer[1024];
fd = open(argv[i], O_RDONLY);
if (fd < 0) {
perror("open(2)");
exit(EXIT_FAILURE);
}
while ((status = read(fd, buffer, sizeof(buffer))) > 0 && write(1, buffer, status) == status)
errno = 0;
if (errno != 0) {
perror("read(2)/write(2)");
exit(EXIT_FAILURE);
}
(void) close(fd);
}
exit(EXIT_SUCCESS);
}
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