Discussion: Deciphering scanf()
Execute code to understand the output and gain insights into input pattern matching.
We'll cover the following...
Run the code
Now, it's time to execute the code and observe the output.
#include <stdio.h>
int main()
{
char buffer[32];
printf("Type something: ");
scanf("%[ABC]", buffer);
printf("You typed: %s\n", buffer);
return(0);
}C code for the given puzzle
Understanding the output
The program prompts for input, but only uppercase letters ABC are allowed:
Type something: ALPHAYou typed: A
Code output
Note: Any character input other than ABC ...