1 #include <u.h>
2 #include <libc.h>
3 
4 char*
5 sysname(void)
6 {
7 	static char buf[512];
8 	char *p, *q;
9 
10 	if(buf[0])
11 		return buf;
12 
13 	if((q = getenv("sysname")) != nil && q[0] != 0){
14 		utfecpy(buf, buf+sizeof buf, q);
15 		free(q);
16 		return buf;
17 	}
18 	if(q)
19 		free(q);
20 
21 	if(gethostname(buf, sizeof buf) >= 0){
22 		buf[sizeof buf-1] = 0;
23 		if((p = strchr(buf, '.')) != nil)
24 			*p = 0;
25 		return buf;
26 	}
27 
28 	strcpy(buf, "gnot");
29 	return buf;
30 }