#include <stdio.h>

int main(int argc, char *argv[]) {
    // Check if the correct number of command line arguments is provided
    if (argc != 3) {
        printf("Usage: %s <input_file> <output_file>\n", argv[0]);
        return 1;
    }

    // Open the input file in read mode
    FILE *input_file = fopen(argv[1], "rb");
    if (input_file == NULL) {
        printf("Error opening input file.\n");
        return 1;
    }

    // Open the output file in write mode
    FILE *output_file = fopen(argv[2], "wb");
    if (output_file == NULL) {
        printf("Error opening output file.\n");
        fclose(input_file);
        return 1;
    }

    // Copy the contents from the input file to the output file
    int ch;
    while ((ch = fgetc(input_file)) != EOF) {
        fputc(ch, output_file);
    }

    // Close the files
    fclose(input_file);
    fclose(output_file);

    printf("File copied successfully.\n");

    return 0;
}