#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/limits.h>
char *
getlogin(void)
{
static char buf[NAME_MAX+1];
int f, n;
f = open("/dev/user", O_RDONLY);
if(f < 0)
return 0;
n = read(f, buf, NAME_MAX+1);
close(f);
return (n>=0)? buf : 0;
}
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