Get AppData Roaming folder in C C++

appdata.c

// how to locate application data %AppData% directory path on Windows 10 MSVC
// see on documentation https://docs.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shgetknownfolderpath?redirectedfrom=MSDN
// compiled with  cl .\appdata.c Shell32.lib

#include <stdlib.h>
#include <stdio.h>
#include <shlobj_core.h>
#include <direct.h>

int main() {
  // KF_FLAG_CREATE force folder creation if not exists
  PWSTR appdata = NULL;
  if (SHGetKnownFolderPath(&FOLDERID_RoamingAppData, KF_FLAG_CREATE, NULL, &appdata) == S_OK) {
    char dest[MAX_PATH];
    wcstombs(dest, appdata, MAX_PATH);
    printf("appdata path is %s\n", dest);
  }
  else {
    fprintf(stderr, "error getting appdata path\n"); 
  }
  
  return 0;
}