C95 - cppreference.com C Compiler support Language Headers Type support Program utilities Variadic function support Error handling Dynamic memory management Strings library Algorithms Numerics Date and time utilities Input/output support Localization support Concurrency support (C11) Technical Specifications Symbol index [edit] Versions C89 C95 C99 C11 C17 C23 Current status [edit] ISO/IEC 9899/AMD1:1995, a.k.a. C95, is a previous revision of the C standard. New language features Digraphs __STDC_VERSION__ New library features New headers <iso646.h> <wctype.h> <wchar.h>