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#include <stdint.h>
#include <stddef.h>
#include "unicode.h"
size_t utf8_chsize(uint32_t ch) {
if (ch < 0x80) {
return 1;
} else if (ch < 0x800) {
return 2;
} else if (ch < 0x10000) {
return 3;
}
return 4;
}