View Compilation Error

0_0_2659749_21014.cpp: In function `void mul(int (*)[4], int (*)[4])':
0_0_2659749_21014.cpp:64: error: expected `;' before "for"
0_0_2659749_21014.cpp:64: error: `i' undeclared (first use this function)
0_0_2659749_21014.cpp:64: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2659749_21014.cpp:64: error: expected `;' before ')' token
0_0_2659749_21014.cpp:65: error: `j' undeclared (first use this function)
0_0_2659749_21014.cpp:65: error: expected `;' before ')' token