The following identifier is predefined as an object-like macro:
Table 2–3 Predefined Identifier
Identifier |
Description |
__STDC__ |
__STDC__ 1 -Xc __STDC__ 0 -Xa, -Xt Not defined -Xs |
The compiler issues a warning if __STDC__ is undefined (#undef __STDC__). __STDC__ is not defined in -Xs mode.
Predefinitions (not valid in -Xc mode):
The following predefinitions are valid in all modes:
__sparcv9 (-Xarch=v9, v9a)
The compiler also predefines the object-like macro __PRAGMA_REDEFINE_EXTNAME to indicate that the pragma will be recognized. The following is predefined in -Xa and -Xt modes only: