C99 is a past version of the C programming language standard.

C99 or C-99 may also refer to:

Science and technology edit

  • C99, a C compiler for the TI-99/4A home computer
  • C99, a fragment of the amyloid precursor protein created by beta-secretase
  • C99Shell, also known as C99, is a malicious web shell

Other uses edit

See also edit