size_t pst_vb_utf8to8bit(pst_vbuf *dest, const char *inbuf, int iblen, const char *charset)
size_t pst_vb_utf16to8(pst_vbuf *dest, const char *inbuf, int iblen)
void pst_vbset(pst_vbuf *vb, void *data, size_t len)
size_t pst_vb_8bit2utf8(pst_vbuf *dest, const char *inbuf, int iblen, const char *charset)
void pst_vbappend(pst_vbuf *vb, void *data, size_t length)
pst_vbuf * pst_vballoc(size_t len)
void pst_vbgrow(pst_vbuf *vb, size_t len)