You would see a bcs or bcc if it is a branch if carry set or branch if carry clear, you are seeing b 0xC which is the current address.
Technically it is a branch to self instruction the encoding is not specific or hardcoded to 0xC it is just a branch to pc-2 instructions since the pc is 2 instructions ahead it is a branch to self. (branch to instruction_address + 2 - 2 = branch to instruction_address)
This looks like you disassembled an object, unlinked code, based on the address of 0x00000 and this branch to self. When you link with something else the address should change and the branch to self will change to branch to whatever function you had specified in your source.