atoi : atoi « stdlib.h « C Tutorial

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C Tutorial » stdlib.h » atoi

23.5.1.atoi

Item	Value
Header file	stdlib.h
Declaration	int atoi(const char *str);
Function	converts the string to an int 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: %d.", atoi(num1)+atoi(num2));



    return 0;

  }

Enter first: 3
Enter second: 4
The sum is: 7.

23.5.atoi
	23.5.1.	atoi

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