p_61_1.c

ca认证

#include<stdio.h>
#include<string.h>
int strSearch(char str1,char str2)
{
	char *p1,*p2,*p1first,*p2first;
	int sum=0,len=0,k=0;
	p1first=str1;
	p2first=str2;
	p1=str1;
	p2=str2;
	while((*p1)!='\0')
	{
		if(*p1!=*p2) 
		{
			p1++;
			if(k==1) 
			{
				p2=p2first;
				continue;
			}
		}
		else
		{	len++;p1++;p2++;k=1;
			continue;
		}
	}
	if(len==strlen(str2)) sum=1;
	return sum;
}
void main()
{
    char str1[50],str2[10];
	int sum;
	printf("Please inpute str1:");
	scanf("%s",str1);
	printf("Please inpute str2:");
	scanf("%s",str2);
    strSearch(str1,str2);
	printf("SUM=%d",sum);
}