prog.c: In function ‘main’:
prog.c:15:1: error: implicit declaration of function ‘strncmp’ [-Werror=implicit-function-declaration]
prog.c:28:1: error: ISO C forbids nested functions [-Werror=edantic]
prog.c: In function ‘adiciona’:
prog.c:34:1: error: no return statement in function returning non-void [-Werror=return-type]
cc1: all warnings being treated as errors