atoll : atoll « stdlib.h « C Tutorial






  1. C Tutorial
  2. stdlib.h
  3. atoll
ItemValue
Header filestdlib.h
Declarationlong long int atoll(const char *str);
Functionconverts the string pointed to by str into a long long int value. It is otherwise similar to atol().


#include <stdlib.h>
  #include <stdio.h>

  int main(void)
  {
    char num1[80], num2[80];

    printf("Enter first: ");
    gets(num1);
    printf("Enter second: ");
    gets(num2);
    printf("The sum is: %ld.", atoll(num1)+atoll(num2));

    return 0;
  }

Enter first: 1
Enter second: 2
The sum is: 3.








23.7.atoll
23.7.1.atoll