Found the following significant warnings:
  triangle.c:1428:9: warning: too many arguments for format [-Wformat-extra-args]
  triangle.c:3699:23: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3705:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3712:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3719:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3727:33: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3734:33: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3741:33: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3748:28: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3753:28: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3758:28: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3793:25: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3799:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3806:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3814:33: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3821:33: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3829:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3836:26: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3844:41: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
  triangle.c:3851:41: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'long long unsigned int' [-Wformat=]
See 'd:/Rcompile/CRANpkg/local/4.4/RTriangle.Rcheck/00install.out' for details.
* used C compiler: 'gcc.exe (GCC) 12.3.0'