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ÔÚ struct mntent ÖеijÉÔ±Óë /etc/fstab ÎļþÖеÄÌõÄ¿ÊÇÖ±½Ó¶ÔÓ¦µÄ¡£ËüµÄÄÚÈÝÈçÏ£º
struct mntent {
char *mnt_fsname; /* ¹ÒÔصÄÎļþϵͳµÄÃû×Ö */
char *mnt_dir; /* ¹ÒÔصã */
char *mnt_type; /* ÎļþϵͳÀàÐÍ£ºufs¡¢nfs µÈ */
char *mnt_opts; /* Ñ¡ÏÒÔ¶ººÅΪ·Ö¸ô·û */
int mnt_freq; /* Dump µÄƵÂÊ(ÒÔÌìΪµ¥Î») */
int mnt_passno; /* fsck¼ì²éµÄ´ÎÐò */
};
FILE *setmntent(const char *filename, const char *type);
struct mntent *getmntent(FILE *filep);
int addmntent(FILE *filep, const struct mntent *mnt);
int endmntent(FILE *filep);
char *hasmntopt(const struct mntent *mnt, const char *opt);
setmntent() ÊÇ´ò¿ª°üº¬¹ÒÔصãÏîÄ¿µÄÎļþ, ÆäÖÐµÄ filename ²ÎÊýÊÇÒª´ò¿ªµÄÎļþÃû, type ²ÎÊý¾ÍÏñ fopen() µÄµÚ¶þ¸ö²ÎÊý, ´ú±íÖ»¶Á¡¢Ö»Ð´, »ò¶Áд½Ô¿ÉµÄ´æȡģʽ ¡£·µ»ØFILE*¡£
getmntent() ÔòÊÇÑ­Ðò¶ÁÈ¡Õû¸öµµ°¸£¬´«»ØÖ¸Ïò static struct mntent ½á¹¹µÄÖ¸Õ룬½á¹¹ÖлáÌîÈëÊʵ±µÄÖµ¡£
addmntent() ¿ÉÒÔÔÚÒÑ¿ªÆôµµ°¸µÄÄ©¶Ë¼ÓÉÏ×ÊѶ£¬ËüÔ­±¾ÊǸø mount ʹÓõġ£
endmntent() µÄ¹¦ÓÃÊǹرմò¿ªµÄÎļþ¡£Õâ²»ÄÜÖ»ÊǺô½Ð fclose() ¶øÒÑ,ÒòΪ¿ÉÄÜ»¹ÓÐÆäËüÓëFILE * ÓйصÄÄÚ²¿×ÊÁϽṹÐèÒªÇåÀí¡£
hasmntopt() ÊǸö±È½ÏÌØÊâµÄº¯Ê½¡£Ëü»áɨÃèµÚÒ»¸ö²ÎÊýËù´«ÈëµÄstruct mntent£¬ÕÒ³öËüµÄ¹ÒÔØÑ¡ÏîÊÇ·ñ·ûºÏµÚ¶þ¸öÒýÊý¡£¼ÙÈçÕÒµ½Ñ¡Ïî¾Í´«»Ø·ûºÏµÄ×Ó×Ö·û´®µÄλַ£»·ñÔò´«»ØNULL¡£
/etc/fstab¡¢/etc/mtab ºÍ /proc/mounts ÆäÖÐÈκÎÒ»¸ö, ¶¼¿ÉÒÔÔÚ³ÌÐòÖÐʹÓà getmntent() Õâ×麯ÊýÀ´¶ÁÈ¡
eg£º
   #include <mntent.h>
    struct mntent* mnt;
    FILE* fp;
    fp = setmntent("/dev/mmc/mmcblk0", "r");
    if ( !fp )
    {
        return FALSE;
    }
if(mnt=getmntent(fp) )
{
#if 1
     printf("woosoori[%s:%d] mnt->mnt_fsname=%s\n",__FUNCTION__,__LINE__, mnt->mnt_fsname);
   printf("woosoori[%s:%d] mnt