#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int find(char *buf, char* sub) {
int len = strlen(buf);
char *p = (char*)malloc(len * 2 + 1);
memset(p, 0x00, len * 2 + 1);
strcpy(p, buf);
strcat(p, buf);
if (strstr(p, sub) == NULL)
return 0;
else
return 1;
}
int main(void) {
char buf[] = "abcdefg";
if (find(buf, "bcdefga") == 1)
printf("是子串\n");
else
printf("不是子串\n");
system("pause");
}
c语言如何判断一个字符串是不是一个字符串的字串
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转载自blog.csdn.net/xy294636185/article/details/80344895
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