View Compilation Error

0_0_5184945_11502.c:31: error: syntax error at '#' token
0_0_5184945_11502.c:31: error: syntax error before '<' token
0_0_5184945_11502.c:37: error: `s' undeclared here (not in a function)
0_0_5184945_11502.c:37: error: `len' undeclared here (not in a function)
0_0_5184945_11502.c:38: error: syntax error before "if"
0_0_5184945_11502.c:45: error: redefinition of 'main'
0_0_5184945_11502.c:15: error: previous definition of 'main' was here