View Compilation Error

0_0_6948839_8048.c: In function `cmp':
0_0_6948839_8048.c:10: error: `element' undeclared (first use in this function)
0_0_6948839_8048.c:10: error: (Each undeclared identifier is reported only once
0_0_6948839_8048.c:10: error: for each function it appears in.)
0_0_6948839_8048.c:10: error: syntax error before ')' token
0_0_6948839_8048.c:10: error: syntax error before ')' token
0_0_6948839_8048.c:11: error: syntax error before ')' token
0_0_6948839_8048.c:11: error: syntax error before ')' token
0_0_6948839_8048.c:13: error: syntax error before ')' token
0_0_6948839_8048.c:13: error: syntax error before ')' token
0_0_6948839_8048.c: In function `main':
0_0_6948839_8048.c:25: error: `element' undeclared (first use in this function)