dirent

LINUX系統下的一個頭文件，在這個目錄下/usr/include

為了獲取某文件夾目錄內容，所使用的結構體。

引用頭文件#include

struct dirent

{

long d_ino;

off_t d_off;

unsigned short d_reclen;

unsigned char d_type;

char d_name [NAME_MAX+1];

}

opendir()，readdir(),closedir();

#include #include

#include #include

#include

#ifndef DT_DIR

#error "DT_DIR not defined, maybe d_type not a mumber of struct dirent!"

#endif

int

main(int argc, char*argv[])

{

staticchar dot[] =".", dotdot[] ="..";

constchar*name;

DIR *dirp;

struct dirent *dp;

if (argc ==2)

name = argv[1];

else

name = dot;

dirp = opendir(name);

if (dirp == NULL) {

(void)fprintf(stderr, "%s: opendir(): %s: %s\n",

argv[0], name, strerror(errno));

exit(errno);

}

while ((dp = readdir(dirp)) != NULL) {

if (dp->d_type == DT_DIR)

if ( strcmp(dp->d_name, dot)

&& strcmp(dp->d_name, dotdot) )

(void)printf("%s/\n", dp->d_name);

}

(void)closedir(dirp);

return (0);

}