#include <stdio.h>
 
int main(int argc, char *argv[]){
    if(argc < 2){
        fprintf(stderr, "Usage %s filename\n", argv[0]);
        return 1;
    }
    
    //int fd = open(argv[1], O_RDONLY);
    FILE *f = fopen(argv[1], "r");

    if (f == NULL) {
        //fprintf(stderr, "Could not open file (code %d)\n", errno);
        perror("Open");
        return 1;
    }
    int c;
    //Read more than 1 byte?
    while ((c = fgetc(f)) != EOF) {
        printf("%c", c);
    }

    
    fclose(f);
     
    // do the libc example using stdio 
     
    return 0;
}