2 * pANS stdio -- _IO_getc
8 default: /* CLOSED, WR, ERR, EOF */
14 if(f->flags&STRING) return EOF;
15 cnt=read(f->fd, f->buf, f->buf==f->unbuf?1:f->bufl);
17 case -1: f->state=ERR; return EOF;
18 case 0: f->state=END; return EOF;
23 return (*f->rp++)&_IO_CHMASK;