ref: d116b2d47ca4d0e5895c360f4cbcb51d6a19e0da
dir: /sys/src/libstdio/sprintf.c/
/*
* 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;
}