sbuf_vprintf - Haiku

Symbol: sbuf_vprintf

src/libs/compat/freebsd_network/compat/sys/sbuf.h

int sbuf_vprintf(struct sbuf *, const char *, __va_list)

src/libs/compat/freebsd_network/fbsd_subr_sbuf.c

result = sbuf_vprintf(s, fmt, ap);