xv6

port of xv6 to x86-64
git clone http://frotz.net/git/xv6.git
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echo.c (198B)

      1 #include "types.h"
      2 #include "stat.h"
      3 #include "user.h"
      4 
      5 int
      6 main(int argc, char *argv[])
      7 {
      8   int i;
      9 
     10   for(i = 1; i < argc; i++)
     11     printf(1, "%s%s", argv[i], i+1 < argc ? " " : "\n");
     12   exit();
     13 }