Use `SDL_isxdigit()` in favor of `VVV_isxdigit()`
SDL_isxdigit() was added in SDL 2.0.16, so we no longer have to implement isxdigit() ourselves.
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@ -288,13 +288,6 @@ bool is_number(const char* str)
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return true;
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}
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static bool VVV_isxdigit(const unsigned char digit)
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{
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return (digit >= 'a' && digit <= 'f')
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|| (digit >= 'A' && digit <= 'F')
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|| SDL_isdigit(digit);
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}
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bool is_positive_num(const char* str, const bool hex)
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{
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if (str[0] == '\0')
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@ -306,7 +299,7 @@ bool is_positive_num(const char* str, const bool hex)
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{
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if (hex)
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{
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if (!VVV_isxdigit(str[i]))
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if (!SDL_isxdigit(str[i]))
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{
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return false;
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}
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