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From WikiChip
c/standard predefined macros
< c
The C standard predefined macros are a set of macros that must be defined by the implementation.
Predefined macros
| Macro name | since |
|---|---|
| __DATE__ | C89 |
| __FILE__ | C89 |
| __LINE__ | C89 |
| __STDC__ | C89 |
| __STDC_HOSTED__ | C99 |
| __STDC_VERSION__ | C90 |
| __TIME__ | C89 |
Standard C values
| Macro name | version | value |
|---|---|---|
| __STDC__ | C89 | |
| __STDC_VERSION__ | C90 | |
| __STDC_VERSION__ | NA1 | 199409L |
| __STDC_VERSION__ | C99 | 199901L |
| __STDC_VERSION__ | C11 | 201112L |