Compilare: user.c: In function ‘main’: user.c:179:9: warning: passing argument 1 of ‘lenght’ from incompatible pointer type [enabled by default] n=lenght(&a); ^ user.c:156:5: note: expected ‘char *’ but argument is of type ‘char (*)[256]’ int lenght(char *v){ ^ user.c:180:9: warning: passing argument 1 of ‘lenght’ from incompatible pointer type [enabled by default] m=lenght(&b); ^ user.c:156:5: note: expected ‘char *’ but argument is of type ‘char (*)[256]’ int lenght(char *v){ ^ user.c: In function ‘GOa’: user.c:87:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘GOb’: user.c:112:1: warning: control reaches end of non-void function [-Wreturn-type] } ^