C in 7 days - Keyboard input

16

Keyboard input

#include <stdlib.h>
#include <stdio.h>
main() {
int age;
printf( "Enter your age: " );
if ( scanf("%d", &age) == 1 )
printf("Next year you'll be %d.\n", age+1 );
exit( 0 );
}

$ gcc -o age age.c
$ ./age 
Enter your age: 49
Next year you'll be 50.
$ ./age 
Enter your age: ten
$

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