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- #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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