C file save/load

#warning Missing include 8p ... should need just stdio.h

bool fileSave(void* buffer,unsigned long size,char* file)
{
 if (buffer==NULL ||
     size<=0 ||
     file==NULL)
 {
  //bad call
  return false;
 }
 FILE *aFile=fopen(file,"wb+");
 size_t written=-1;
 if (aFile!=NULL)
 {
  if ((written=fwrite(buffer,size,1,aFile))!=1)
  {
   //Error saving file, didn't write the whole buffer. Chack errno
   fclose(aFile);
   return false;
  }
  else
  {
   fclose(aFile);
   return true;
  }
 }
 else
 {
  //Error saving file, cannot open file. Chack errno
  return false;
 }
}

bool fileLoad(void* buffer,unsigned long size,char* file)
{
 if (buffer==NULL ||
     size<=0 ||
     file==NULL)
 {
  //bad call
  return false;
 }
 FILE *aFile=fopen(file,"rb");
 size_t read=-1;
 if (aFile!=NULL)
 {
  if ((read=fread(buffer,size,1,aFile))!=1)
  {
   //Error loading file, didn't read the whole buffer. Check errno
   fclose(aFile);
   return false;
  }
  else
  {
   fclose(aFile);
   return true;
  }
 }
 else
 {
  //Error loading file, cannot open file. Chack errno
  return false;
 }
}