printf() and scanf() in C

printf() and scanf() in C — a practical guide to C printf scanf with clear examples you can reuse in real projects.

C Programming Tutorial Series (17/102). Prefer one article? Read the complete C programming tutorial.

Short description

scanf with %s is overflow-prone — prefer width limits or fgets.

printf/scanf

int age;
printf("Age: ");
if (scanf("%d", &age) == 1) {
    printf("You are %dn", age);
}