tget9root.c - plan9port - [fork] Plan 9 from user space
  HTML git clone git://src.adamsgaard.dk/plan9port
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
       tget9root.c (215B)
       ---
            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 = "/usr/local/plan9";
           16         return s;
           17 }