Files act like a long tape in a casette; you can read the file but by the time you are done you have passed the tape all the way to the end. Reading again won’t give you the data again. As such your second function tried to read data from a file that is already … Read more
You can’t use strcasecmp to compare characters. It’s not completely wrong, but a single character is not a properly terminated string. If you must do comparison this way, use strncasecmp: if(strncasecmp(&gender,&word_M, 1) == 0) That will limit it to comparing one character. Also, your retry loop doesn’t check for ‘F’, but checks ‘M’ twice. solved … Read more
Well, this piece of code int c; while ((c = getchar()) != EOF && c != ‘\n’); is used to clear the buffer, as mentioned in @napnac’s answer. It is mainly used instead of fflush (stdin);, which is UB. But note that this is successful only if the input buffer happens to contain data ending … Read more
To stimulate EOF in stdin, If you are on windows or DOS press CTRL+Z Or if you are running linux or some other OS, press CTRL+D 1 solved How do i enter an EOF character in this program?