63   char ch;  in a64l()  local
82       ch = *(--ptr);  in a64l()
85       if (ch >= 'a')  in a64l()
86 	digit = (ch - 'a') + 38;  in a64l()
87       else if (ch >= 'A')  in a64l()
88 	digit = (ch - 'A') + 12;  in a64l()
89       else if (ch >= '0')  in a64l()
90 	digit = (ch - '0') + 2;  in a64l()
91       else if (ch == '/')  in a64l()
96       switch (ch)  in a64l()
111 	  digit = (ch - '0') + 2;  in a64l()
139 	  digit = (ch - 'A') + 12;  in a64l()
167 	  digit = (ch - 'a') + 38;  in a64l()