sendfilevec
_sendfilev(int sock, const struct sendfilevec *vec, int sfvcnt, size_t *xferred)
struct sendfilevec sfv;
ssize_t sendfilev(int, int, const struct sendfilevec *, int, size_t *);
extern ssize_t sendfilev(int, const struct sendfilevec *, int, size_t *);
sendfilev(int opcode, int fildes, const struct sendfilevec *vec, int sfvcnt,
const struct sendfilevec *copy_vec;
struct sendfilevec sfv[SEND_MAX_CHUNK];
copy_vec = (const struct sendfilevec *)
sendvec_small_chunk(file_t *fp, u_offset_t *fileoff, struct sendfilevec *sfv,
sendvec_chunk(file_t *fp, u_offset_t *fileoff, struct sendfilevec *sfv,