1 /* 2 * pANS stdio -- vsnprintf 3 */ 4 #include "iolib.h" 5 int vsnprintf(char *buf, int nbuf, const char *fmt, va_list args){ 6 int n; 7 FILE *f=sopenw(); 8 if(f==NULL) 9 return 0; 10 setvbuf(f, buf, _IOFBF, nbuf); 11 n=vfprintf(f, fmt, args); 12 sclose(f); 13 return n; 14 } 15