The recent updates to the Mach-O format (the LC_DYLD_INFO_ONLY command) have an option of encoding the export symbol information as a trie structure. In such case it's possible that the symbol name does not appear as an exact string in the file.
However, ELF does not use such encoding so normally all symbols must be present as-is in the binary. What seems ...
Ghidra has a version tracking tool with lots of analysis options to compare features of the binaries to name things. I have used it on ppc->mips firmware. I started off with a pretty RE'ed PPC image and a new MIPS firmware with the default tool in ghidra, I named a handful of functions in the new one. Opening them up in the version tracker tool, I ...
official way is as pointed out by other answers use symchk.exe from windbg installation
but you can also fetch it by putting together few dbghelp and winsock functions
find below a poc that uses wget.exe