strcmp null
strcmp compares both the strings till null-character of either string comes whereas strncmp compares at most num characters of both strings. But if num is equal ... , It depends on the implementation, which is free to assume your parameters are valid (i.e. not null in this case). The behaviour may or may not ...
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 strcmp null 相關參考資料
C - conditional statement & strcmp & NULL string - Stack Overflow
Correct, if flag_val is NULL then the && operator will short-circuit. As long as flag_val can't be changed by some other thread, this is safe code. https://stackoverflow.com Difference between strncmp() and strcmp in CC++ - GeeksforGeeks
strcmp compares both the strings till null-character of either string comes whereas strncmp compares at most num characters of both strings. But if num is equal ... https://www.geeksforgeeks.org In C, what exactly happens when you pass a NULL pointer to strcmp ...
It depends on the implementation, which is free to assume your parameters are valid (i.e. not null in this case). The behaviour may or may not ... https://stackoverflow.com Is NULL a valid parameter for the strcmp()? - cppbuilder ...
if (strcmp(parm, NULL)) bla,bla,bla. I think that it would be simpler and more correctly to write if ( parm == NULL ) bla,bla,bla. MS Visual C++ ... http://www.delphigroups.info NULL argument to strcmp - C C++ - Bytes
What does the standard say about a NULL value being passed to strcmp? For example, static char *s1 = "xxx"; static char *s2=NULL; https://bytes.com strcmp for empty string - Stack Overflow
You're right: since calling strcmp() adds up the stack management and the ..... int isNullOrEmpty(const char *string) return string == NULL || ! https://stackoverflow.com strcmp需要考虑参数为NULL吗？ - 知乎
话题的优秀回答者. 24 人赞同了该回答. strcmp - cppreference.com. The behavior is undefined if lhs or rhs are not pointers to null-terminated byte ... https://www.zhihu.com 发现strcmp() 函数不能接受为NULL 的字符窜 - 豆瓣
来自: freeplant 2010-06-11 21:48:32. 会出现段错误。 比如下面的程序是不行的 #include <string.h> int main(int argc, char **argv) if (strcmp (NULL, "test") == 0) https://www.douban.com 小睡睡的胡言亂語: strcmp() 傳NULL 進去的神秘現象...
strcmp() 傳NULL 進去的神秘現象... 作業環境: Linux li475-173 3.5.2-linode45 #1 SMP Wed Aug 15 14:10:55 EDT 2012 i686 GNU/Linux gcc ... http://slzzp.blogspot.com |