git: 9front

ref: 2ca8a7c0f5b2d2eee388596a0713d856ec24df15
dir: /sys/src/cmd/unix/drawterm/libc/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);
}