Function tolower

src/fl/stl/cctype.h:32–34

@brief Convert character to lowercase @param c The character to convert @return The lowercase version of c (if c is uppercase), otherwise c unchanged

/// @param c The character to convert
/// @return The lowercase version of c (if c is uppercase), otherwise c unchanged
inline char tolower(char c) FL_NOEXCEPT {
    return (c >= 'A' && c <= 'Z') ? (c + ('a' - 'A')) : c;
}

/// @brief Convert character to uppercase
/// @param c The character to convert