2 ms·

But the man page section tells you which one is is a a kernel syscall (2) and which is a C library function (3)...

• Joker_vD 1y ago
  Which is the universally known convention everyone is born with inherent knowledge of. Also, people read man-pages.
  • Aloisius 1y ago
    What person diving into their shell's source code on Linux doesn't read manpages? Or even man's manpage at least once?
    • Joker_vD 1y ago
      Daniel Huang, the one that wrote TFA? People are different, I don't know what else to tell you. But generally, people don't read man pages or docs.