C Program to Convert String to Integer

#include<stdio.h>
#include<stdlib.h>
void main()
{
int num;

// Variable marks is of Char Type
char marks[3] = "98";

printf("Please Enter Marks : ");
scanf("%s",marks);

num = atoi(marks);

printf("\nMarks : %d",num);
}

---

Output :

Please Enter Marks : 76
Marks : 76

Explanation :

1. FOR  More Details : [ Atoi Function ]
2. Entered Number is in the form of “String“.
3. Suppose Entered Number is 78 then Entered Number has Representation -

"76"

1. This “76″ is unable to  Perform Arithmetic Operation , so Our aim is To Convert String into Integer which can perform “Arithmetic Operations” Like Integer.

Convert "76" to 76