IoT C언어 0710 - EX12_3

#include <stdio.h>
//#include <stdlib.h>
#include <string.h>

char search(char *word, char *s_word);

int main(void)
{
    char word[100] , s_word[100];

    printf("문자 입력 : ");
    fgets(word,sizeof(word),stdin);
    while(1)
    {
        printf("검색할 문자열 입력 (종료는 end) : ");
        fgets(s_word,sizeof(s_word),stdin);
        s_word[strlen(s_word)-1] = '\0';
        if(strcmp(s_word,"end")==0) break;
        search(word,s_word);
    }

    return 0;
}

char search(char *word, char *s_word)
{
    char *temp, w_temp[100];
    int cnt=0, s_cnt=0, size = strlen(s_word);

    strcpy(w_temp,word);
    while(2)
    {
        if(strlen(w_temp+s_cnt)==1) break;
        else
        {
            if(strncmp(w_temp+s_cnt,s_word,size) == 0)
            {
                cnt++;
                s_cnt+=size;
            }
            else
            {
                s_cnt++;
            }
        }
    }
    printf("검색결과 : %d\n",cnt);
}