C Standard Library.

The library an intro C course uses, and the traps inside it. Covers 12 sub-skills.

• C Standard Library · 1 of 3

  memcpy, memmove & memset

  What does memcpy place after the last byte it writes?

  AA padding zero byteBA terminating zeroCNothing whatsoeverDA newline character

• C Standard Library · 2 of 3

  errno & Error Reporting

  fread asked for 4096 bytes and returned 13. Which check tells a truncated read from a clean end of input?

  Athe stream's error flagBthe stream's end flagCthe errno value aloneDthe stream's position flag

• C Standard Library · 3 of 3

  memcpy, memmove & memset

  Two struct objects hold matching member data. What does a memcmp over sizeof the struct actually test?

  AEvery byte, padding includedBThe members that are not pointersCThe members in declaration orderDOnly the declared members