av_bprint_init_for_buffer  365 libavutil/bprint.c     av_bprint_init_for_buffer(&b, buf, sizeof(buf));
av_bprint_init_for_buffer  122 libavutil/bprint.h void av_bprint_init_for_buffer(AVBPrint *buf, char *buffer, unsigned size);
av_bprint_init_for_buffer  228 libavutil/channel_layout.c     av_bprint_init_for_buffer(&bp, buf, buf_size);