Destroy a group
#include <screen/screen.h>
int screen_destroy_group(screen_group_t grp)
Function Type: Flushing Execution
This function destroys a group given a screen_group_t instance. When a group is destroyed, all windows and pixmaps that belonged to the group are no longer associated with the group. You must destroy each screen_group_t after it's no longer needed.
0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).