[C/C++ 基礎]-純C++_數字和字串直接合併的函數應用 – jashliao部落格

程式碼

/* sprintf example */

#include 

int main ()

{

  char buffer [50];

  int n, a=5, b=3;

  n=sprintf (buffer, "%d plus %d is %d", a, b, a+b);

  printf ("[%s] is a %d char long string\n",buffer,n);

  return 0;

}