#include <stdio.h> /* * pANS stdio -- vsprintf */#include "/sys/src/ape/lib/ap/stdio/iolib.h"int snprintf(char *buf, int len, const char *fmt, ...){	int n;	char *v;	va_list va;	FILE *f=_IO_sopenw(); 	va_start(va, fmt);	if(f==NULL)		return 0;	setvbuf(f, buf, _IOFBF, len);	n=vfprintf(f, fmt, va);	va_end(va);	_IO_sclose(f);	return n;}