sub.cpp: In function `int sub(int*, int, int)': sub.cpp:6: `pp' undeclared (first use this function) sub.cpp:6: (Each undeclared identifier is reported only once for each function it appears in.) sub.cpp:11: parse error before `int' sub.cpp:19: warning: long int format, int arg (arg 2) sub.cpp:6: confused by earlier errors, bailing out