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Exercise: Uppercase the String

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Question

Write code below to convert all the letters in the string variable province to uppercase letters.

Here is a sample input and the expected output:

Input: Quebec
Output: QUEBEC
Expected outcome

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C
#include <stdio.h>
char * toUpperCase(char * province)
{
  // Write your code here by modifying the province variable itself 
  // or save your uppercase string in a new variable of type char *
  
  return province;
}
int main(void)
{
  char province[] = "Ontario";
  toUpperCase(province);
  printf("Uppercase: %s\n", province);
  return 0;
}
Explanation