#include <stdio.h>
#include <string.h>
 
int main() {
 
int idade = 0;
char nome[20];
 
printf("Hello! How old are you? ");
scanf("%d", &idade);
while (idade == 0) {
    printf("\nAge cannot be 0 nor be decimal. Re-enter your age: ");
    scanf("%d", &idade);
}
printf("And what's your name? (write up to 20 characters, only 1st name) ");
setbuf(stdin, NULL);    
scanf("%[^\n]s", nome);
printf("\nHello %s, aged %d!\n", nome, idade);
 
return 0;
}

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

MTIzIGZhYmlv

123 fabio