c - Why does scanf require &? - Stack Overflow
Oct 19, 2016 · I want to read a number from stdin. I don't understand why scanf requires the use of & before the name of my variable: int i; scanf("%d", &i); Why does scanf need the …
How does the scanf function work in C? - Stack Overflow
The & in C is an operator that returns the address of the operand. Think of it this way, if you would simply give scanf the variable a without the &, it will be passed to it by-value, which means …
How to do scanf for single char in C - Stack Overflow
Nov 24, 2012 · scanf(" %c", &c); The blank in the format string tells scanf to skip leading whitespace, and the first non-whitespace character will be read with the %c conversion specifier.
Is there a way to use scanf with the "if" and "else" statements?
May 22, 2013 · I have to create and call a function from main. Then I have to call scanf to read two integers and print out the bigger one. Then I have to do another scanf, but this time with …
c - What does the scanf function return? - Stack Overflow
10 From scanf: On success, the function returns the number of items successfully read. This count can match the expected number of readings or fewer, even zero, if a matching failure …
io - How can I clear an input buffer in C? - Stack Overflow
You are reading input using scanf, and it is leaving the user's newline on the input stream, and that stray newline is wrongly getting read by a later call to scanf("%c").
scanf () leaves the newline character in the buffer
The first scanf() doesn't return when a user has hit space, even though that's where the number ends (because at that point the line is still in the terminal's line buffer); and the second scanf() …
How does scanf(" %[^\\n]", str); work in C Programming?
Apr 15, 2017 · This scanf format string consists of two parts: a space character, which skips space characters (' ', '\t', '\n', etcetera) in the input, and the %[^\n] conversion specification, …
c - Difference between scanf () and fgets () - Stack Overflow
Aug 9, 2009 · Another clear difference is the return value: fgets return a pointer to dest on success; scanf return the number of input items successefully matched and assigned. Then, …
How do you allow spaces to be entered using scanf?
Aug 8, 2009 · Remember than scanf stands for "scan formatted" and there's precious little less formatted than user-entered data. It's ideal if you have total control of the input data format but …