View Compilation Error

71484_0_29374.c: In function `main':
71484_0_29374.c:8: error: `ch' undeclared (first use in this function)
71484_0_29374.c:8: error: (Each undeclared identifier is reported only once
71484_0_29374.c:8: error: for each function it appears in.)
71484_0_29374.c:11: error: syntax error before '{' token
71484_0_29374.c:17: error: syntax error before "int"
71484_0_29374.c:18: error: `i' undeclared (first use in this function)
71484_0_29374.c:20: error: `a' undeclared (first use in this function)
71484_0_29374.c:20: error: `T' undeclared (first use in this function)
71484_0_29374.c:20: error: `col' undeclared (first use in this function)
71484_0_29374.c:20: error: `b' undeclared (first use in this function)
71484_0_29374.c: At top level:
71484_0_29374.c:34: error: syntax error before "while"
71484_0_29374.c:9: confused by earlier errors, bailing out