vsprintf
i = vsprintf(buf, fmt, args);
len = vsprintf(buf, fmt, args);
vsprintf(msg, fmt, ap);
i=vsprintf(buf,fmt,args);
n = vsprintf(sprint_buf, fmt, args);
extern int vsprintf(char *buf, const char *fmt, va_list args);
int vsprintf(char *buf, const char *fmt, va_list args);
i = vsprintf(buf, fmt, args);
printed = vsprintf(printf_buf, fmt, args);
vsprintf(buffer, fmt, args);
vsprintf(buffer, fmt, ap);
__printf(2, 0) int vsprintf(char *buf, const char *, va_list);
EXPORT_SYMBOL(vsprintf);
vsprintf(skb_put(skb, len), fmt, args);
len = vsprintf(h->str, fmt, ap);
vsprintf(name, fmt, vargs);
ret = vsprintf(buf, fmt, args);