ref: 5929766aa488af70c827fe65e6d0fb703bfa4548
dir: /group.h/
typedef struct Group Group; typedef struct Groups Groups; struct Group { u32int id; char *name; char **memb; int nmemb; }; struct Groups { char *raw; Group *g; int ng; }; int loadgroups(Groups *gs, char *raw); void freegroups(Groups *gs);