pmc_getfilename
pmc_getfilename(p->p_textvp, &fullpath, &freepath);
pmc_getfilename(p->p_textvp, &fullpath, &freepath);
pmc_getfilename((struct vnode *)pkm->pm_file, &fullpath, &freepath);
pmc_getfilename(vp, &fullpath, &freepath);