ref: 3f5a4e9f7e3c0d1e7c43d2974049e2eb7bc7b5a0 dir: /sys/src/libbio/bfildes.c/
#include <u.h> #include <libc.h> #include <bio.h> int Bfildes(Biobufhdr *bp) { return bp->fid; }