Webb但正解是:声明了一个字符指针后,并用字符串常量的第一个字符的地址赋值给指针变量a。. 即正确顺序是:. 1.分配内存给字符指针;. 2.分配内存给字符串;. 3.将字符串首地 …Webbprintf ("%zu \n ", sizeof ("abcde")); この出力結果が 6 になることから分かります(末尾に ‘\0’ があるので 5 ではありません)。 もし文字列リテラルがポインタであり、ポインタ …
sizeof (abcde) in C when abcde is both a type and a pointer
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Webb31 aug. 2012 · sizeof (str)得到的是字符串大小,还包含字符串最后一个字符‘\n’ strlen (str)可得到字符串长度 1 评论 分享 举报 更多回答(7) 2008-12-09 char *str = "abcde"; 与 char st... 26 2012-12-05 C语言试题: char * str=“abcdefg”; i... 2 2016-11-20 C语言里char* str和char *str的区别 2013-01-21 c语言 char *str 与char str [] 这俩种定... 257 2012-12 …Webb20 juli 2024 · sizeof (a) = 8 ; // 64位系统,8代表的是指针的大小,指针占8字节 sizeof (b) = 5 ; // 计算字符串数组的结果是真实的字符数组大小 strlen (a) strlen (b) // 无固定值,因 …After all, sizeof is an operator, not a function. If the typedef char jimmypage; was in a surrounding block, and jimmypage *jimmypage; in an inner block, the code compiles. Then sizeof jimmypage always refers to the size of the pointer type (char *); and sizeof *jimmypage always refers to the size of the pointed to type (char).can you shop disney outlet online