Gcc/10.2.0/cpp/Conditional-Syntax
From Get docs
Next: Deleted Code, Previous: Conditional Uses, Up: Conditionals [Contents][Index]
4.2 Conditional Syntax
A conditional in the C preprocessor begins with a conditional
directive: ‘#if’, ‘#ifdef’ or ‘#ifndef’.
| • Ifdef: | ||
| • If: | ||
| • Defined: | ||
| • Else: | ||
| • Elif: | ||
• __has_attribute:
|
||
• __has_cpp_attribute:
|
||
• __has_builtin:
|
||
• __has_include:
|
