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### 7.55 `.func` name`[,`label`]`

`.func` emits debugging information to denote function name, and is ignored unless the file is assembled with debugging enabled. Only --gstabs[+] is currently supported. label is the entry point of the function and if omitted name prepended with the leading char is used. leading char is usually `_` or nothing, depending on the target. All functions are currently defined to have `void` return type. The function must be terminated with `.endfunc`.