REFACTOR: Expanded many parameter names for functions.

DOCS: Corrected comments to match new parameters.
CHORE: Moved some variable definition to top of function call.

include/image/utils.h

@@ -158,27 +158,27 @@ u64to_u32(const unsigned long clr, const unsigned long u64_div);
  * @brief Prints quick debug info of container
  * @details Prints metadata like Name, Format, Width, Height and Length
  * important for debugging errors
- * @param[in] src Pointer to src metadata of a PPM image
+ * @param[in] metadata Pointer to information of a PPM image
  */
 void __attribute__((overloadable))
-print_attr(const PPM* src);
+print_attr(const PPM* metadata);
 
 /**
  * @brief Prints quick debug info of container
  * @details Prints metadata like Name, Width, Height and Length
  * important for debugging errors
- * @param[in] src Pointer to src metadata of a JPEG image
+ * @param[in] metadata Pointer to information of a JPEG image
  */
 void __attribute__((overloadable))
-print_attr(const JPEG* src);
+print_attr(const JPEG* metadata);
 
 /**
  * @brief Finds start of extension in image name
  * @details Loops through the character array starting from the end to find the
  * start of the extension.
- * @param[in] n Char array (str)
+ * @param[in] str Char array to loop through
  */
 size_t
-find_extension(const char* n);
+find_extension(const char* str);
 
 #endif