1 // "System header" for testing that -Wformat-extra-args does not apply to
2 // arguments specified in system headers.
3 
4 #define PRINT2(fmt, a1, a2) \
5   printf((fmt), (a1), (a2))
6 
7 #define PRINT1(fmt, a1) \
8   PRINT2((fmt), (a1), 0)
9