scandir函数

/*
    scandir函数
*/
#include <stdio.h>
#include <dirent.h>


int customFilter(const struct dirent *pDir)
{
    if (strncmp("test", pDir->d_name, 4) == 0
            && pDir->d_type & 0x04
            && strcmp(pDir->d_name, ".")
            && strcmp(pDir->d_name, ".."))
    {
        return 1;
    }

    return 0;
}

int main()
{
    struct dirent **namelist;

    int n;
    int i;

    n = scandir(".", &namelist, customFilter, alphasort);

    if (n < 0)
    {
        perror("scandir");
    }
    else
    {
        for (i = 0; i < n; i++)
        {
            printf("%s\n", namelist[i]->d_name);
            free(namelist[i]);
        }

        free(namelist);
    }
}