cctype.h

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#pragma once
#include "fl/stl/noexcept.h"

// FastLED Character Classification Functions (cctype.h equivalents)
//
// Provides character classification utilities similar to C <ctype.h>
// but adapted for embedded platforms and FastLED's needs.
//
// All functions are in the fl:: namespace.
 
namespace fl {

inline bool isspace(char c) FL_NO_EXCEPT {
    return c == ' ' || c == '\t' || c == '\n' || c == '\r';
}

inline bool isdigit(char c) FL_NO_EXCEPT {
    return c >= '0' && c <= '9';
}

inline char tolower(char c) FL_NO_EXCEPT {
    return (c >= 'A' && c <= 'Z') ? (c + ('a' - 'A')) : c;
}

inline char toupper(char c) FL_NO_EXCEPT {
    return (c >= 'a' && c <= 'z') ? (c - ('a' - 'A')) : c;
}
 
} // namespace fl