#define wrn_sl (   m,
  ... 
)    do{myqttd_wrn_sl (ctx, __AXL_FILE__, __AXL_LINE__, m, ##__VA_ARGS__);}while(0)

Drops to the console stdout a warning, placing the content prefixed with the file and the line that caused the message, without introducing a new line.

To drop a message use:

1 wrn_sl ("module loaded: %s", module);
Parameters
mThe warning message to output.