MREAD
if ((mp->m_flag & (MREAD|MNEW)) == MNEW)
if ((mp->m_flag & (MREAD|MNEW)) == 0)
dot->m_flag &= ~(MBOX|MREAD|MTOUCH);
dot->m_flag &= ~(MREAD|MTOUCH);
this.m_flag |= MREAD;
if ((mp->m_flag & MREAD) == 0)
if ((mp->m_flag & MREAD) == 0)
{ 'r', CMREAD, MREAD, MREAD },
{ 'u', CMUNREAD, MREAD, 0 },
if (mp->m_flag & MREAD)
if ((mp->m_flag & MREAD) == 0)
mp->m_flag |= MREAD|MSTATUS;