al_register_sample_loader
bool al_register_sample_loader(const char *ext,
ALLEGRO_SAMPLE *(*loader)(const char *filename))
Register a handler for al_load_sample. The given function will be used to handle the loading of sample files with the given extension.
The extension should include the leading dot ('.') character. It will be matched case-insensitively.
The loader argument may be NULL to unregister an entry.
Returns true on success, false on error. Returns false if unregistering an entry that doesn't exist.
See also: al_register_sample_loader_f
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