27 lines
614 B
C
27 lines
614 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <libc.h>
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int
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getppid(void)
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{
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char b[20];
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int f;
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memset(b, 0, sizeof(b));
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f = open("/dev/ppid", 0);
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if(f >= 0) {
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read(f, b, sizeof(b));
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close(f);
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}
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return atol(b);
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}
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