字符串查抄复习

#include"stdio.h"
#include"string.h"
#include"stdlib.h"

int getsubnum1(char *ch, char *sub,int * num)
{
	int tem = 0;
	char * f = ch;
	do
	{
		f = strstr(f,sub);
		if(f != NULL)
		{
			f = f + strlen(sub);
			(*num)++;
		}
		if(f == NULL)
		{
			break;
		}
	}while(*f != '\0');	
}
int getsubnum2(char *ch, char *sub,int * num)
{
	int tem = 0;
	char * f = ch;
	for(;*f != '\0';)
	{
		if((f = strstr(f,sub)) != NULL)
		{
			f= f+strlen(sub);
			(*num)++;
			continue;
		}
		else
		{
			break;
		}
	}
}

int main()
{
	char *ch = "abcd11111abcd2222abcdqqqqqabcd11111abcd2222abcdqqqqqabcd11111abcd2222abcdqqqqq";
	char *sub = "abcd";
	int x = 0;
	getsubnum1(ch,sub,&x);
	getsubnum2(ch,sub,&x);
	printf("%d\n",x);
}