pp_init
pp_init(&sldns_write_uint16, &sldns_write_uint32);
void pp_init(void (*write_uint16)(void* buf, uint16_t data),
pp_init(&write_uint16, &write_uint32);
void pp_init(void (*write_uint16)(void* buf, uint16_t data),
pp_init(&sldns_write_uint16, &sldns_write_uint32);
pp_init(&sldns_write_uint16, &sldns_write_uint32);
pp_init(&sldns_write_uint16,
void pp_init(void (*write_uint16)(void* buf, uint16_t data),