sys_sendfile      705 source3/include/proto.h ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
sys_sendfile      448 source3/modules/vfs_default.c 	result = sys_sendfile(tofd, fromfsp->fh->fd, hdr, offset, n);