Question

How to use %n in printf() to count the number of characters before the occurrence of %n in C

Answer 1

#include <stdio.h>

int main() {
    int x;
    
    printf("abcd!%nefg\n", &x);
  
    printf("Count: %d", x);
  
    return 0;
}




/*
run:

abcd!efg
Count: 5

*/

 

70+ SQL courses for beginners and professionals