git: 9front

ref: 9ce72bb7d6906e7550fb2c611a1cb99ab3be75c7
dir: /sys/src/libc/9sys/getpid.c/

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

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

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