diff -ur a/IMG_webp.c b/IMG_webp.c
--- a/IMG_webp.c	2012-01-20 20:51:33.000000000 -0500
+++ b/IMG_webp.c	2024-07-24 20:48:58.697398200 -0400
@@ -47,9 +47,9 @@
 static struct {
 	int loaded;
 	void *handle;
-	int/*VP8StatuCode*/ (*webp_get_features_internal) (const uint8_t *data, uint32_t data_size, WebPBitstreamFeatures* const features, int decoder_abi_version);
-	uint8_t*	(*webp_decode_rgb_into) (const uint8_t* data, uint32_t data_size, uint8_t* output_buffer, int output_buffer_size, int output_stride);
-	uint8_t*	(*webp_decode_rgba_into) (const uint8_t* data, uint32_t data_size, uint8_t* output_buffer, int output_buffer_size, int output_stride);
+	VP8StatusCode	(*webp_get_features_internal) (const uint8_t *data, size_t data_size, WebPBitstreamFeatures* const features, int decoder_abi_version);
+	uint8_t*	(*webp_decode_rgb_into) (const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
+	uint8_t*	(*webp_decode_rgba_into) (const uint8_t* data, size_t data_size, uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
 } lib;
 
 #ifdef LOAD_WEBP_DYNAMIC