输入字符串判断是否含有“ould”

#include <stdio.h>
#include <assert.h>
#include <string.h>

#define MAX 1000
int getline(char line[], int max)
{
    int ch;
    int i = 0;
    while (max > 0 &&
        (ch = getchar()) != EOF && ch != ‘\n‘)
    {
        line[i] = ch;
        i++;
        max--;
    }
    if (ch == ‘\n‘)
        line[i++] = ‘\n‘;
    line[i] = ‘\0‘;
    if (i > 0)
        return 1;
    else
        return 0;
}
int match(char line[],char *mat)
{
    assert(line);
    assert(mat);
    int i=0, j=0, k=0;
    for (i = 0; i < strlen(line); i++)
    {
        for (k = i,j = 0; j < strlen(mat); j++,k++)
        {
            if (line[k] != *(mat + j))
                break;
        }
        if (*(mat+j) == ‘\0‘ && k>0)
            return 1;
    }
    return 0;
}
int main()
{
    char line[MAX];
    char *mat = "ould";
    while (getline(line,MAX))
    {
        if (match(line,mat))
            printf("%s", line);
    }
    return 0;
}