Compilare: user.c: In function ‘main’: user.c:37:8: warning: implicit declaration of function ‘strdup’ [-Wimplicit-function-declaration] token[s] = strdup (aux); ^ user.c:37:17: warning: assignment makes pointer from integer without a cast [enabled by default] token[s] = strdup (aux); ^ user.c:46:13: warning: assignment makes pointer from integer without a cast [enabled by default] token[s] = strdup (aux); ^ user.c:60:16: warning: assignment makes pointer from integer without a cast [enabled by default] token[s] = strdup (aux); ^ user.c:76:13: warning: assignment makes pointer from integer without a cast [enabled by default] token[s] = strdup (aux); ^