SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


The prototype for the log output callback function.

Header File

Defined in SDL_log.h


typedef void (SDLCALL *SDL_LogOutputFunction)(void *userdata, int category, SDL_LogPriority priority, const char *message);

Function Parameters

userdata what was passed as userdata to SDL_LogSetOutputFunction().
category the category of the message.
priority the priority of the message.
message the message being output.


This function is called by SDL when there is new text to be logged.

CategoryAPI, CategoryAPIDatatype, CategoryLog

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