fork1              52 user/sh.c      int fork1(void);  // Fork but panics on failure.
fork1              95 user/sh.c          if(fork1() == 0)
fork1             105 user/sh.c          if(fork1() == 0){
fork1             112 user/sh.c          if(fork1() == 0){
fork1             127 user/sh.c          if(fork1() == 0)
fork1             168 user/sh.c          if(fork1() == 0)