0_0_2261685_22360.c:36: error: redefinition of 'A' 0_0_2261685_22360.c:6: error: previous definition of 'A' was here 0_0_2261685_22360.c:45: error: redefinition of 'main' 0_0_2261685_22360.c:15: error: previous definition of 'main' was here