Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/libc/9sys/sysname.c

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


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

char*
sysname(void)
{
	int f, n;
	static char b[128];

	if(b[0])
		return b;

	f = open("#c/sysname", 0);
	if(f >= 0) {
		n = read(f, b, sizeof(b)-1);
		if(n > 0)
			b[n] = 0;
		close(f);
	}
	return b;
}

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