View Compilation Error

0_0_1444737_16097.c: In function `main':
0_0_1444737_16097.c:5: error: syntax error before '<=' token
0_0_1444737_16097.c:6: error: syntax error before '<=' token
0_0_1444737_16097.c:12: error: `a' undeclared (first use in this function)
0_0_1444737_16097.c:12: error: (Each undeclared identifier is reported only once
0_0_1444737_16097.c:12: error: for each function it appears in.)
0_0_1444737_16097.c:12: error: syntax error before '<=' token