30 

    30 

    31 

    31 

    32 # exit codes

    32 # exit codes

    33 

    33 

    34 EX_SUCCESS = 0

    34 EX_SUCCESS = 0

    35 EX_USER_INTERRUPT = 3

    36 EX_USER_INTERRUPT = 3

    36 

    37 

    37 

    38 

    38 # error codes

    39 # error codes

    39 

    40