lb 3.20e 10-22-85
**DIR**     tmpfile     perror      fdopen      fopen       fseek       
scanf       gets        getchar     fscanf      fgets       agetc       
fread       getw        getc        puterr      printf      puts        
putchar     fprintf     fputs       aputc       fwrite      putw        
putc        getbuff     setbuf      tmpnam      mktemp      ungetc      
getenv      calloc      malloc      access      data        execp       
exec        isatty      open        casecvt     lseek       read        
write       rename      geteof      seteof      seteofu     getfinfo    
getfinfu    setfinfo    setfinfu    getiob      setiob      mkdir       
rsvstk      brk         sbrk        crt0        shmain      exit        
close       unlink      fixnam      fixnamu     setprfx     getprfx     
strshft     device      exitu       devtab      gdev        ioctl       
ctime       asctime     gettime     localtim    time        system      
atoi        atol        qsort       sscanf      scan        sprintf     
format      ctype       swapmem     setmem      rindex      strrchr     
strncat     fstswt      tmpsav      strequ      index       strchr      
movmem      move        strncpy     strncmp     strcat      strcmp      
strcpy      istack      lmath       strlen      swit        math        
shift       lshift      stack       sup         interp      fldstar     
flt         longs       setjmp      
