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1 #include <u.h>2 #include <libc.h>3 #include <venti.h>5 VtConn*6 vtdial(char *addr)7 {8 char *na;9 int fd;11 if(addr == nil)12 addr = getenv("venti");13 if(addr == nil)14 addr = "$venti";16 na = netmkaddr(addr, "net", "venti");17 if((fd = dial(na, nil, nil, nil)) < 0)18 return nil;20 return vtconn(fd, fd);21 }