Question

How to input two characters using scanf in C

Answer 1

#include <stdio.h>

int main(void) {
    char ch1, ch2;

    printf("Enter two characters: ");

    scanf("%c", &ch1);
    scanf(" %c", &ch2);

    printf("ch1: %c, ch2: %c\n", ch1, ch2);

    return 0;
}



// Enter 'a' Space 'b'


/*
run:

Enter two characters: a b
ch1: a, ch2: b

*/

 

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Answer 2

#include <stdio.h>

int main(void) {
    char buf[3] = "";

    printf("Enter two characters: ");

    scanf("%2sc", buf);

    puts(buf);

    return 0;
}



// Enter "ab"


/*
run:

Enter two characters: ab
ab

*/

 

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