Linux

#include<stdio.h>
int main()
{
        FILE *fp;
        int c;
        fp = fopen("input_file","r");
        if ( fp == NULL )
        {
                perror("Error opening file: ");
                return -1;
        }
        else
        {
                do{
                c = fgetc(fp);
                printf("%d\n",c);

                //compare the uinicode value of the cloud here and do the stuffs
                }while(c != EOF );
                fclose(fp);
        }

        return 0;
}