src/nhl_scores.c
// If 'c' is an uppercase character, returns the
//   corresponding lowercase character
If 'c' is an uppercase character, returns the
corresponding lowercase character
If ' c ' is an uppercase character returns the corresponding lowercase character
char to_lowercase(char c) {
  if ((c >= 'A') && (c <= 'Z')) {
    return c - 'A' + 'a';
  } else {
    return c;
  }
}
char to_lowercase ( char c ) { if ( ( c >= ' ' ) && ( c <= ' ' ) ) { return c - ' ' + ' ' ; } else { return c ; } }
If 'c' is an uppercase character, returns the
corresponding lowercase character
If ' c ' is an uppercase character returns the corresponding lowercase character