View Compilation Error

217432_0_201.c: In function `main':
217432_0_201.c:3: error: syntax error before "char"
217432_0_201.c:6: error: `a' undeclared (first use in this function)
217432_0_201.c:6: error: (Each undeclared identifier is reported only once
217432_0_201.c:6: error: for each function it appears in.)
217432_0_201.c:7: error: `p' undeclared (first use in this function)