Exercise 9-4. Beginning C, I. Horton

Implement a function that has the prototype:

char* to_string(int count, double first, ...);

The function should return a string that contains string representations of the second and subsequent arguments, each to two decimal places and separated by commas. The first argument is a count of the number of arguments that follow. Write a suitable version of main() to demonstrate the operation of your function.

La solución que propongo es:


Y con funciones:


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