#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int strNum(char *str,char* subStr)
{
char* p = strstr(str, subStr);
int count = 0;
while (p != NULL)
{
count++;
p += strlen(subStr);
p = strstr(p, subStr);
}
return count;
}
int main()
{
char str[] = "helloldlodllo";
char subStr[] = "llo";
printf("子串出现了%u次\n",strNum(str,subStr));
system("pause");
return EXIT_SUCCESS;
}
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