On Thu, 14 Oct 2021, 03:29 3497650172 via Gcc-help, <gcc-help@xxxxxxxxxxx> wrote: > The C language standard specifies that the "enum" constant is of type int, > but GCC supports all integers.And i did not find this discrepancy in the > official manual. There is not discrepancy, GCC conforms to the standard. It is documented at https://gcc.gnu.org/onlinedocs/gcc/Structures-unions-enumerations-and-bit-fields-implementation.html Did I not find it or did the official website document not explain it at > all? You didn't find it. How do I know all the differences? Read the manual https://gcc.gnu.org/onlinedocs/gcc/C-Implementation.html
