Practice how to check whether string data can be converted to integer or double types in C

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {

    int outputInteger;

    const char* stringVariable = "1225"; //string data
    
    if (sscanf(stringVariable, "%d", &outputInteger) == 1) //converting data using sscanf and checking 
    {
        printf("%d\n", outputInteger + 25);//if conversion succeeds
    } else {
        printf("%s cannot be converted to an integer.\n", stringVariable);//if conversion fails
    }


    double outputDouble;

    const char* stringNewVariable = "1225.25";//stirng data
    
    if (sscanf(stringNewVariable, "%lf", &outputDouble) == 1) //converting data and checking
    {
        printf("%f\n", outputDouble + 12.46);//if conversion succeeds
    } else {
        printf("%s cannot be converted to a decimal.\n", stringNewVariable); //if conversion fails
    }


    int outputInteger2;

    const char* stringVariable2 = "T1225";
    if (sscanf(stringVariable2, "%d", &outputInteger2) == 1) //converting data and checking
    {
        printf("%d\n", outputInteger2 + 25);//if conversion succeeds
    } else {
        printf("%s cannot be converted to an integer.\n", stringVariable2); //if conversion fails
    }

    return 0;
}