Lines Matching defs:iop
39 vfprintf(FILE *iop, char *format, va_list ap)
44 if (!(iop->_flag & _IOWRT)) {
46 if (iop->_flag & _IORW) {
48 iop->_flag |= _IOWRT;
54 if (iop->_flag & _IONBF) {
55 iop->_flag &= ~_IONBF;
56 iop->_ptr = iop->_base = localbuf;
57 iop->_bufsiz = BUFSIZ;
58 count = _doprnt(format, ap, iop);
59 fflush(iop);
60 iop->_flag |= _IONBF;
61 iop->_base = NULL;
62 iop->_bufsiz = 0;
63 iop->_cnt = 0;
65 count = _doprnt(format, ap, iop);
67 return (ferror(iop)? EOF: count);