#include void func1(char *param1) { printf("%d\n", sizeof(param1)); } void func2(char param2[]) { printf("%d\n", sizeof(param2)); } void main(char param[]) { char str1[] = "abcde"; char *str2 = "abcde"; printf("%d\n", sizeof(str1)); printf("%d\n", sizeof(str2)); func1(str1); func2(str2); printf("\n"); }