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- #include "lib.h"
- #include <sys/stat.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <errno.h>
- #include "sys9.h"
- pid_t
- getpid(void)
- {
- int n, f;
- char pidbuf[15];
- f = _OPEN("#c/pid", 0);
- n = _READ(f, pidbuf, sizeof pidbuf);
- if(n < 0)
- _syserrno();
- else
- n = atoi(pidbuf);
- _CLOSE(f);
- return n;
- }
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