C Program to Convert String to Integer

String Program : Program to Convert String to Integer

#include<stdio.h>
#include<stdlib.h>

int main() {
   int num;
   char marks[3];

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

   num = atoi(marks);
   printf("\nMarks : %d", num);

   return (0);
}

#include<stdio.h>

#include<stdlib.h>

int main() {

int num;

char marks[3];

printf("Please Enter Marks : ");

scanf("%s", marks);

num = atoi(marks);

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

return (0);

}

Output :

Please Enter Marks : 76
Marks : 76

1 2	Please Enter Marks : 76 Marks : 76

Explanation :

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

"76"

"76"

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

1	Convert "76" to 76

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C Program to Convert String to Integer