ff_nut_free_sp    138 libavformat/nut.h void ff_nut_free_sp(NUTContext *nut);
ff_nut_free_sp    786 libavformat/nutdec.c     ff_nut_free_sp(nut);
ff_nut_free_sp   1203 libavformat/nutenc.c     ff_nut_free_sp(nut);