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#include <err.h>
#include <unistd.h>
#include "check.h"
int main(void)
{
int i = 0;
char *files[] = {
"/etc/passwd", "/tmp/tok",
"/etc/passwd", "/tmp/passwd",
"/etc/passwd", "/tmp/passwd",
NULL
};
FILE *src, *dst;
while (files[i]) {
src = fopen(files[i], "r");
dst = fopen(files[i + 1], "w");
printf("fsendfile(%s, %s, 512)\t", files[i], files[i + 1]);
if (-1 == fsendfile(src, dst, 512))
err(1, "Failed fsendfile(%s, %s)", files[i], files[i + 1]);
if (!access(files[i + 1], F_OK))
printf("OK => %s\n", files[i + 1]);
remove(files[i + 1]);
i += 2;
}
return 0;
}
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