检查char中是否存在文本[4000] [英] Check if text exist in char[4000]

问题描述

如何检查char [4000]是否存在文本规则?

How can i check in a char[4000] if a rule of text exist?

推荐答案

函数strstr [

The function strstr[^] can find a sub string in a string and return its location.

char szHaystack[] = "hello world";
char *szNeedle = strstr(szHaystack, "lo");
if (szNeedle == NULL) {
	printf("The string \"lo\" was not found.\n");
} else {
	printf("The string \"lo\" was found %u characters from the start.\n", szNeedle - szHaystack);
}

您可以使用 strstr [ ^ ]在字符串中搜索字符串.

You can use strstr[^] to search for a string in a string.

您的问题有点难以理解，但我认为您可以在

Your question is a little bit hard to understand, but I think what you are looking for can be found here.

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