pointer.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

int main(){
    int i=1234;
    char* ch = (char*)&i;
    printf("*ch=%d\n", *ch);
    printf("*(ch+1)=%d\n", *(ch+1));
    //range of char = -128~127
    //-128 = 10000000
    //       11010110
    //      -00101010
//(int)   =  00000000 00000000 00000000 10000000
    // 127 = 01111111
//(int)   =  00000000 00000000 00000000 01111111

//big endian
//(int)1234= 00000000 00000000 00000100 11010010
//
//little endian
//(int)1234= 11010010 00000100 00000000 00000000
//           00101110
    system("pause");
    return 0;
}