Each architecture has a "library" of these bizarrely named functions that are mapped by the compiler to CPU-specific instructions. I'd suggest 90%+ of C program

Each architecture has a "library" of these bizarrely named functions that are mapped by the compiler to CPU-specific instructions. I'd suggest 90%+ of C programmers couldn't name a single one of them, and that's fine, because they have no place in C outside of tight platform-specific optimization work, which very few people have a need for or mandate to actually work on