int stringprep_unichar_to_utf8(uint32_t c, char * outbuf);
- uint32_t c
a ISO10646 character code
- char * outbuf
output buffer, must have at least 6 bytes of space. If NULL, the length will be computed and returned and nothing will be written to outbuf .
Converts a single character to UTF-8.
Return value: number of bytes written.
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