9base

revived minimalist port of Plan 9 userland to Unix
git clone git://git.suckless.org/9base
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get9root.c (204B)

      1 #include <u.h>
      2 #include <libc.h>
      3 
      4 char*
      5 get9root(void)
      6 {
      7 	static char *s;
      8 
      9 	if(s)
     10 		return s;
     11 
     12 	if((s = getenv("PLAN9")) != 0)
     13 		return s;
     14 	/* could do better - search $PATH */
     15 	s = PREFIX;
     16 	return s;
     17 }
     18