Thread: c - cheak readable bytes

  1. #1
    Registered User
    Join Date
    Jul 2013

    c - cheak readable bytes

    need little help form you guys
    i just wanna to cheak if the byte is readable or not, i have search for sulution but not find
    hope you will help me
    i have this code i need if tag that cheak if byte is readable

    #include <windows.h>
    #include <iostream>
    #include <cstdlib>
    #include <stdio.h>
    void main()
       float ramsize;
       char *ch;
       unsigned int j=128,readbyte;
       long i;
       MEMORYSTATUSEX statex;
       statex.dwLength = sizeof (statex);
       GlobalMemoryStatusEx (&statex);
       ramsize = statex.ullTotalPhys;
       for(i=0;i<ramsize;i = i+1)
           ch = (char*) i;
           readbyte = *ch;
           // if readbyte is readable
           printf("you have readable byte in address: %x , that contain in Binary:",&readbyte);
           // if readbyte is not readable
           printf("Sorry: you cant read this byte: %x",&readbyte);

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    Duplicate c - cheak readable bytes
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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