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

int main(int argc, char *argv[]) {
    FILE *src, *dst;
    int ch;

    // Check if correct number of arguments is provided
    if (argc != 3) {
        printf("Usage: %s <source_file> <destination_file>\n", argv[0]);
        return 1;
    }

    // Open source file in read mode
    src = fopen(argv[1], "r");
    if (src == NULL) { perror("Error opening source file"); return 1;
    }

    // Open destination file in write mode
    dst = fopen(argv[2], "w");
    if (dst == NULL) {
        perror("Error opening destination file");  fclose(src);   return 1;
    }

    // Copy contents from src to dst character by character
    while ((ch = fgetc(src)) != EOF) {
        fputc(ch, dst);
    }

    printf("File copied successfully from %s to %s\n", argv[1], argv[2]);

    // Close both files
    fclose(src);  fclose(dst);

    return 0;
}