foo.c: In function 'main':
foo.c:7:15: warning: initializer-string for array of chars is too long [enabled by default]
foo.c:8:2: error: expected ',' or ';' before 'int'
foo.c:10:6: error: 'i' undeclared (first use in this function)
foo.c:10:6: note: each undeclared identifier is reported only once for each function it appears in
foo.c:11:3: error: 'sum' undeclared (first use in this function)
foo.c:7:7: warning: variable 'tbl' set but not used [-Wunused-but-set-variable]