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- #include <u.h>
- #include <libc.h>
- #include <ip.h>
- int
- myetheraddr(uchar *to, char *dev)
- {
- int n, fd;
- char buf[256];
- if(*dev == '/')
- sprint(buf, "%s/addr", dev);
- else
- sprint(buf, "/net/%s/addr", dev);
- fd = open(buf, OREAD);
- if(fd < 0)
- return -1;
- n = read(fd, buf, sizeof buf -1 );
- close(fd);
- if(n <= 0)
- return -1;
- buf[n] = 0;
- parseether(to, buf);
- return 0;
- }
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