lib/unicode.h
/* Returns true if 'c' is a Unicode code point for a leading or trailing
 * surrogate. */
Returns true if 'c' is a Unicode code point for a leading or trailing
surrogate.
Returns true if ' c ' is a Unicode code point for a leading or trailing surrogate .
static inline bool
uc_is_surrogate(int c)
{
    return c >= 0xd800 && c <= 0xdfff;
}
static inline bool uc_is_surrogate ( int c ) { return c >= 0xd800 && c <= 0xdfff ; }
Returns true if 'c' is a Unicode code point for a leading or trailing
 surrogate.
Returns true if ' c ' is a Unicode code point for a leading or trailing surrogate .