atof : atof « stdlib.h « C Tutorial

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C Tutorial » stdlib.h » atof

23.4.1.atof

Item	Value
Header file	stdlib.h
Declaration	double atof(const char *str);
Function	converts the string into a double value.

#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: %lf.", atof(num1) + atof(num2));



    return 0;

  }

Enter first: 1
Enter second: 2
The sum is: 3.000000.

23.4.atof
	23.4.1.	atof

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