/* Copyright (c) 1979 Regents of the University of California */ #define BUFSIZ 512 #define _NFILE 20 # ifndef FILE extern struct _iobuf { int _cnt; char *_ptr; char *_base; char _flag; char _file; short int _delta; } _iob[_NFILE]; # endif #define _IOREAD 01 #define _IOWRT 02 #define _IONBF 04 #define _IOMYBUF 010 #define _IOEOF 020 #define _IOERR 040 #define _IOSTRG 0100 #define _IODIRT 0200 #define NULL 0 #define FILE struct _iobuf #define EOF (-1) #define stdin (&_iob[0]) #define stdout (&_iob[1]) #define stderr (&_iob[2]) #define getc(p) (--(p)->_cnt>=0? *(p)->_ptr++&0377:_filbuf(p)) #define getchar() getc(stdin) #define peekc(p) (p->_cnt>0? *(p)->_ptr&0377:_filbuf(p)==-1?-1:((p)->_cnt++,*--(p)->_ptr&0377)) #define peekchar() peekc(stdin) #define putc(x,p) (((p)->_flag |= _IODIRT,--(p)->_cnt)>=0? ((int)(*(p)->_ptr++ = (unsigned)(x))):_flsbuf( (unsigned)(x),p)) #define putchar(x) putc(x,stdout) #define feof(p) (((p)->_flag&_IOEOF)!=0) #define ferror(p) (((p)->_flag&_IOERR)!=0) #define fileno(p) p->_file FILE *fopen(); FILE *fdopen(); FILE *freopen(); long ftell(); char *fgets(); short getsh(); short putsh();