required string file_name = 1;

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

* @returns true if the checked integer is valid, i.e. is not the result * of an invalid operation or of an operation involving an invalid checked

XXX: sizeof(long) == 8 in 64 bits on OS X... apparently on Windows it is 32 bits (???)