/* * pANS stdio -- sprintf */#include "iolib.h"int sprintf(char *buf, const char *fmt, ...){	int n;	va_list args;	FILE *f=sopenw();	if(f==NULL)		return 0;	setvbuf(f, buf, _IOFBF, 100000);	va_start(args, fmt);	n=vfprintf(f, fmt, args);	va_end(args);	sclose(f);	return n;}