Retrieves values from the properties map.
#include "am_properties.h" am_properties_get_boolean_with_default(am_properties_t properties, const char *key, int default_value, int *value_ptr);
The unparsed string form of the value associated with the specified key. See am_properties_get().
A value stored in value_ptr with one of the following values.
If the value associated with the specified key is one of: true, on, or yes.
If the value associated with the specified key is one of: false, off, or no.
If the associated value does not match any of the recognized boolean values, then AM_INVALID_VALUE will be returned.
See also am_properties_get().