OPENDIR Section: Linux Programmer's Manual (3) Updated: 11 June 2025 Index   NAME opendir - open a directory   SYNOPSIS #include <sys/types.h> #include <dirent.h> DIR *opendir(const char *name);   DESCRIPTION The opendir() function opens a directory stream corresponding to the directory name, and returns a pointer to the directory stream. The stream is positioned at the first entry in the directory.   RETURN VALUE The opendir() function returns a pointer to the directory stream or NULL if an error occurred.   ERRORS EACCES Permission denied. EMFILE Too many file descriptors in use by process. ENFILE Too many files are currently open in the system. ENOENT Directory does not exist, or name is an empty string. ENOMEM Insufficient memory to complete the operation. ENOTDIR name is not a directory.   CONFORMING TO SVID 3, POSIX, BSD 4.3   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:05 GMT, March 24, 2025