tolower example in C

Header file:

    ctype.h

Synopsis:

    int tolower (int input)

Description:

    converts the given input to upper case if possible

Return Value:

    returns lower case of "input", if "input" is in uppercase.  Otherwise, "input" is returned unchanged

tolower function C example:

  #include<stdio.h>
  #include<ctype.h>
  int main() {
        char c;
        printf("Enter your input:");
        c = getchar();
        printf("Result for the given input: %c\n", tolower(c));
        return 0;
  }

  Output:

  jp@jp-VirtualBox:~/cpgms$ ./a.out
  Enter your input:A
  Result for the given input: a