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       get9root.c - 9base - revived minimalist port of Plan 9 userland to Unix
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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