nfsm_strsiz
NEGATIVEOUT(retlen = nfsm_strsiz(info, nmp->nm_rsize));
NEGATIVEOUT(len2 = nfsm_strsiz(&info, NFS_MAXNAMLEN));
NEGATIVEOUT(len2 = nfsm_strsiz(&info, NFS_MAXPATHLEN));
NEGATIVEOUT(len = nfsm_strsiz(&info, NFS_MAXPATHLEN));
NEGATIVEOUT(retlen = nfsm_strsiz(&info, len));
int nfsm_strsiz(nfsm_info_t info, int maxlen);