chk_access
i = !chk_access(ep, S_IREAD);
i = !chk_access(ep, S_IWRITE);
i = !chk_access(ep, S_IEXEC);
if ((ok = chk_access(p, S_IEXEC, 1)) == 0)
if ((ok = chk_access(p, S_IEXEC, 1)) == 0)
return(chk_access(nxtarg(0), S_IREAD, 0) == 0);
return(chk_access(nxtarg(0), S_IWRITE, 0) == 0);
return(chk_access(nxtarg(0), S_IEXEC, 0) == 0);