Why the output of the code below is
1
1
And the result that I introduced to is
1

 
# include & lt; Stdio. H> 
# include & lt; Stdlib. H> 
# include & lt; Unistd. H> 
Void create_pth (int n) {
Pid_t pid; 
Pid=fork (); 
If (pid<0 {
Printf (" error "); 
exit(0); 
{} else if (pid==0) 
If (n<1) {
Create_pth (n + 1); 
Printf (" % d \ n ", n); 
} else {
Sleep (10); 
} 
} else {
Wait (NULL). 
} 
} 
Int main () {
Create_pth (0); 
return 0; 
}