number input in c code example

Example 1: c input output

#include 
int main()
{
    int testInteger;
    printf("Enter an integer: ");
    scanf("%d", &testInteger);  
    printf("Number = %d",testInteger);
    return 0;
}

Example 2: Syntax To Take Input In C

Integer: Input: scanf("%d", &intVariable); Output: printf("%d", intVariable);
Float: Input: scanf("%f", &floatVariable); Output: printf("%f", floatVariable);
Character: Input: scanf("%c", &charVariable); Output: printf("%c", charVariable);

Example 3: check command line input is a number in c

bool isNumber(char number[])
{
    int i = 0;

    //checking for negative numbers
    if (number[0] == '-')
        i = 1;
    for (; number[i] != 0; i++)
    {
        //if (number[i] > '9' || number[i] < '0')
        if (!isdigit(number[i]))
            return false;
    }
    return true;
}

Example 4: c input output

#include     
int main()
{ 
    // Displays the string inside quotations
    printf("C Programming");
    return 0;
}