Plan 9 from Bell Labs’s /usr/web/sources/patch/sorry/getpid-less-memset/getpid.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#include	<u.h>
#include	<libc.h>

int
getpid(void)
{
	char b[20];
	int f;

	b[0] = 0;
	f = open("#c/pid", 0);
	if(f >= 0) {
		read(f, b, sizeof(b));
		close(f);
	}
	return atol(b);
}

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