next_debugger_command
while ((command = next_debugger_command(command, buffer, position))
command = next_debugger_command(NULL, buffer, position);
while ((command = next_debugger_command(command, buffer, position))
command = next_debugger_command(NULL, name, length);
if (next_debugger_command(command, name, length) == NULL)
debugger_command* next_debugger_command(debugger_command* command,