DOKK / manpages / debian 12 / gcc / c99-gcc.1.en
C99(1) General Commands Manual C99(1)

c99 - ANSI (1999) C compiler

c99 [-pedantic] [-pedantic-errors] [-D_ANSI_SOURCE] options ...

Calls the C compiler (cc) with the given options , using a C language environment compatible with the -ansiC specification.

This includes proper handling of trigraphs, disabling non-ANSI compiler features (such as asm , typeof , and the $ character in identifiers), and definition of the preprocessor symbol __STRICT_ANSI__ .

The status of C99 features implemented in GCC is described at http://gcc.gnu.org/gcc-12/c99status.html

cc(1) for a description of all options.

Appeared in NetBSD 1.4 .

Since c99 is a shell wrapper script to cc , compile errors are prefixed by "cc:".