1 #include <stdio.h> 2 3 #if 0 4 char *foo[]; 5 #endif 6 char *foo[5]; 7 8 static void func(char * arg[])9func(char *arg[]) { 10 printf("%d\n", (int) sizeof arg); 11 } 12 13 int main(void)14main(void) { 15 static int x = sizeof foo; 16 printf("%d\n", (int) sizeof foo); 17 printf("%d\n", x); 18 func(foo); 19 return 0; 20 } 21 22