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copied!<blockquote> <p>This function below has too few arguments,</p> </blockquote> <p>You're telling the compiler it takes four arguments here</p> <pre><code>double convertTemp (double tempF, double tempR, double tempC, double tempK); </code></pre> <p>But you're only passing one here.</p> <pre><code>rankine = convertTemp (tempR); celsius = convertTemp (tempC); kelvin = convertTemp (tempK); </code></pre> <p>I suggest you comment out most of your code, and initialize your doubles, like this.</p> <pre><code>#include <stdio.h> //Function Declarations //double obtainTemp (void); //**double convertTemp (double tempF, double tempR, double tempC, double tempK);** void printResult (double tempF, double tempR, double tempC, double tempK); int main (void) { //Local Declarations double tempF = 0.0; double tempR = 0.0; double tempC = 0.0; double tempK = 0.0; // double fahrenheit; // double rankine; // double celsius; // double kelvin; //Calling the functions // fahrenheit = obtainTemp (); // rankine = convertTemp (tempR); // celsius = convertTemp (tempC); // kelvin = convertTemp (tempK); // //will print it by... printResult (tempF, tempR, tempC, tempK); int temp; // printf("Press anything to exit: "); // scanf("%d", &temp); return 0; }//main //============obtainTemp=============== //double obtainTemp (void) //{ // //Local Declarations // double tempF; // printf("Enter temperature: "); // scanf("%lf", &tempF); // // return tempF; //} // //============convertTemp============== //int convertTemp (double tempF, double tempR, double tempC, double tempK); //{ // // //Statements // tempR = (tempF - 32) + 491.67; // tempC = (tempF - 32) * 100/180; // tempK = tempC + 273.16; // // return tempF, tempR, tempC, tempK; //} // //============printResult=============== void printResult (double tempF, double tempR, double tempC, double tempK) { //Statements printf("The temperature is %f degrees fahrenheit\n", tempF); printf("The value of %f in rankine is %f\n", tempF, tempR); printf("The value of %f in celsius is %f\n", tempF, tempC); printf("The value of %f in kelvin is %f\n", tempF, tempK); return; } </code></pre> <p>That should compile with minimal warnings about unused variables. Next, uncomment and correct the simplest thing, then the next simplest thing, and so on. Try to compile without warnings.</p>

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