int genders_getattr_all(genders_t handle, char *attrs, int len);
genders_getattr_all() gets all the attributes found in the
genders file associated with handle. The attributes are stored
in the attribute list pointed to by attrs. len should
indicate the number of elements that can be stored in the attribute
To avoid passing in a list that is not large enough to store all the
should be used to determine the minimum number of elements attrs
should be able to store.
could be used to create a list that is guaranteed to be large enough
to store all attributes.
On success, the number of attributes stored in attrs is
returned. On error, -1 is returned, and an error code is returned in
handle. The error code can be retrieved via
, and a description of the error code can be retrieved via
Error codes are defined in genders.h.