c99-gcc (1) Linux Manual Page
c99 – ANSI (1999) C compiler
Synopsis
c99 [-pedantic] [-pedantic-errors] [-D_ANSI_SOURCE] options …Description
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-11/c99status.html
