Item Value
Header filestdlib.h
Declarationdouble atof(const char *str);
Functionconverts the string into a double 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: %lf.", atof(num1) + atof(num2));
return 0;
}
Enter first: 1
Enter second: 2
The sum is: 3.000000.