WebThis newline character is fetched by fgets (), which stops consuming input from stdin until it encounters a newline. The result is that only the \n newline character is taken by the call to fgets (). To catch the abandoned … WebOct 14, 2014 · 2) After reading the input rotNum, scanf() leaves a '\n' in the input buffer.fgets(); stops reading input once encounters a \n. So fgets() doesn't read at all. Use getchar(); after scanf() call to consume the newline char. Or better, read the rotNum using fgets() and parse it using sscanf(). 3) Your second argument to fgets() is wrong.
How to script user input into program using read() syscall?
WebSep 28, 2016 · 0. You are encountering a very common problem when using stdin to receive input, which is after your first scanf call there is a dangling \n character which gets stuck in the buffer from the enter key. To clear this buffer in a portable easy way, add something like. char c; while ( (c = getchar ()) != '\n' && c != EOF ) { } WebFirst of all, do not use fflush() to clear an input stream; the behavior is undefined:. 7.19.5.2.2 If stream points to an output stream or an update stream in which the most recent operation was not input, the fflush function causes any unwritten data for that stream to be delivered to the host environment to be written to the file; otherwise, the behavior is undefined. these eyes have seen a lot of love lyrics
c - fgets not waiting for user input - Stack Overflow
WebJul 9, 2012 · printf ("Insert path: "); if (fgets (dirpath, BUFFGETS, stdin) == NULL) { perror ("fgets dir path"); close (sockd); } and, as i've written before, also the next fgets is not waiting for my input : ( Before the first fgets i have 2 scanf ("%ms", &string); (if this could be the trouble). c fgets Share Improve this question Follow WebOct 3, 2014 · 4. The scanf () you use to read the 3 in: Type in the dimension of the matrix : 3. leaves the newline in the input buffer. The following call to gets () reads that newline. This is a standard problem. Also, forget that gets () exists. It is no longer a part of standard C. It is lethal and cannot be used safely in a hostile environment. WebDec 11, 2011 · printf("Please enter an output filename: "); scanf("%s",&outfilename); When you enter the second string and hit the ENTER key, a string and a character are placed in the input buffer, they are namely: the entered string and the newline character.The string gets consumed by the scanf but the newline remains in the input buffer.. Further, these expensive these expensive