int cdds_switch(switch, default);
1 y Y yes Yes YES t T true
True TRUE"), then the return value will be 1. If the switch is
given with any one of these values ("0 n N no No NO f F false
False FALSE") then the return value will be 0.
If a value is given which does not match any of these expected values,
the return value will be the default value, Default.
int verbos;
...
/* check for 'verbose=' on command line */
verbos = cdds_switch("verbose", 0);
cdds_scanf Retrieve definition