Standard Library Functions MCQs

Practice free Standard Library Functions multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 250 questions — no login required.

void *calloc(size_t n, size_t size) 
#n -- This is the number of elements to be allocated.
#size -- This is the size of elements.

int main(void)
{
    int rc;
    rc = system("time");
    exit(0);
}

double x, y, z;
x = 5.123456;
z= modf(x, *y);