View Compilation Error

0_0_5138947_9467.c: In function `main':
0_0_5138947_9467.c:6: error: syntax error before "p"
0_0_5138947_9467.c:10: error: `p' undeclared (first use in this function)
0_0_5138947_9467.c:10: error: (Each undeclared identifier is reported only once
0_0_5138947_9467.c:10: error: for each function it appears in.)
0_0_5138947_9467.c:10: error: `q' undeclared (first use in this function)