I am new to programming and i am now free for 2 months after my exams, i want to learn some basic and very necessary classes or their functions or objects which are used for file folder handling. Kindly suggest some methods which i can learn.
File folders are directories. From the Linux getdirentries man page:
GETDIRENTRIES(3) Linux Programmer’s Manual GETDIRENTRIES(3)
getdirentries - get directory entries in a file system-independent format
ssize_t getdirentries(int fd, char *buf, size_t nbytes , off_t *basep);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
getdirentries(): _BSD_SOURCE || _SVID_SOURCE
Read directory entries from the directory specified by fd into buf. At most nbytes are read. Reading starts at offset
*basep, and *basep is updated with the new position after reading.
getdirentries() returns the number of bytes read or zero when at the end of the directory. If an error occurs, -1 is
returned, and errno is set appropriately.
See the Linux library source code for details.
Not in POSIX.1-2001. Present on the BSDs, and a few other systems. Use opendir(3) and readdir(3) instead.
This page is part of release 3.22 of the Linux man-pages project. A description of the project, and information about
reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
GNU 2007-07-26 GETDIRENTRIES(3)
This will work just fine in C++ as well. Note the reference to opendir(3) and readdir(3). FWIW, the readdir() function has been replaced with the getdents() function. I don't know if any of these work in the Windows environment... :-)
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