include stdio include stdlib int main Start vars int long long fSize F

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

int main(){
    //Start vars
    int i;
    long long fSize;
    FILE *pFile;
    char *buffer;
    size_t result;

    //Reading file
    pFile = fopen("file.bin", "rb");
    if (pFile == NULL) {perror("Can't read file!"); exit (1);}

    //Getting file size
    fseek (pFile , 0 , SEEK_END);
    fSize = ftell (pFile);
    rewind (pFile);

    //Allocating memory for file
    buffer = (char*) malloc(sizeof(char)*fSize);
    if (buffer == NULL) {perror("Can't allocate memory for file!"); exit (2);}

    //Copying the file
    result = fread(buffer, sizeof(char), fSize, pFile);
    if (result != fSize) {perror("Can't read the file!"); exit (3);}

    //Printing the file
    for(i = 0; i < fSize; i++){
        printf("%02X ", buffer[i]);
        if(i % 8 == 7) printf("\n");
    }
    
    //Terminating
    fclose (pFile);
    free (buffer);
    return 0;
}