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- #include <u.h>
- #include <libc.h>
- static Lock tlock;
- long
- time(long *tp)
- {
- char b[20];
- static int f = -1;
- long t;
- lock(&tlock);
- memset(b, 0, sizeof(b));
- f = open("/dev/time", OREAD|OCEXEC);
- if(f >= 0) {
- seek(f, 0, 0);
- read(f, b, sizeof(b));
- }
- t = atol(b);
- if(tp)
- *tp = t;
- unlock(&tlock);
- return t;
- }
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