libc strtok

test.cr

lib LibStrToken
  fun strtok( input : LibC::Char*, delim : LibC::Char*) : LibC::Char*
end


module Test
  class Run 
    def string_token(str, del)
      LibStrToken.strtok(str, del)
    end 
  end 
end

puts Test::Run.new.string_token("This - is - split", "-")

### output
Invalid memory access (signal 11) at address 0x55dd555411e1
[0x55dd554e6115] *CallStack::print_backtrace:Int32 +117
[0x55dd554db3bd] __crystal_sigfault_handler +61
[0x7ff257a35670] ???
[0x7ff2570ca9d9] strtok +201
[0x55dd5551e500] *Test::Run#string_token<String, String>:Pointer(UInt8) +48
[0x55dd554cbe74] ???
[0x55dd554db2b9] main +41
[0x7ff25705a3f1] __libc_start_main +241
[0x55dd554cb75a] _start +42
[0x0] ???