git: 9front

ref: 458e213ea1b61a6e84be948480853c42a0e263c1
dir: /sys/src/libstdio/vsprintf.c/

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