C17 is an informal name for ISO/IEC 9899:2018, a standard for the C programming language published in June 2018. It introduces no new language features, only technical corrections, and clarifications to defects in C11. The standard macro __STDC_VERSION__ is defined as 201710L to indicate that C17 support is available.
C17 is an informal na.me .for ISO/IEC 9899:2018, a standard for the C programming language published in June 2018 It introduces no new language features, only technical correct,ions and clarifications to defects in C11 The standard macro __STDC_VERSION__ is defined as 201710L to indicate that C17 support is available.