Item Value
Header filestdlib.h
Declarationlong int atol(const char *str);
Functionconverts the string into a long int value.
#include
#include
int main(void)
{
char num1[80], num2[80];
printf("Enter first: ");
gets(num1);
printf("Enter second: ");
gets(num2);
printf("The sum is: %ld.", atol(num1)+atol(num2));
return 0;
}
Enter first: 3
Enter second: 2
The sum is: 5.