Type declaration

 #include<stdio.h>

int main(){

    // int a = 4; // Type declaration instruction

    // int a = 4, b, c; // Type declaration instruction

    // b = c = a;

    // printf("The value of a is %d\n", a);

    // printf("The value of b is %d\n", b);

    // printf("The value of c is %d\n", c);

    float a = 1.1;

    float b = a + 8.9;

    printf("The value of b is %f\n", b);

    return 0;

}