Neo, if I have an old thread that is a few months old, and a few pages back in the forum it was posted in, is it ok to 'bump' it back to the front? or, would you rather i deleted the old thread, and just create a new one? btw the thread has no replies. (2 Replies)
I'm writing a file manager program using FC3 and C, and I'm having a problem displaying the stat info of subdirectories.
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
int main()
{
char *dirname = "mydirectory";
struct dirent **namelist;
... (2 Replies)
i am tring to sort lots of data thats in many columns by just one column but, if I use sort +16 inputfile the column fluctuates because some of the rows have spaces etc within the text, so the end result is just a mess as it jumps around the columns depending whether it has spaces or not ....ie... (2 Replies)
Hi all!
1)Is there a way to write a program that will work on both solaris and intel based machines.
2)How can I achive this for a program that creates and synchronizes three threads.
Thank you.
vij. (3 Replies)
Hi,
I have a program that has two types of threads:
1) Reader threads
2) Worker Threads
Readers: Their only job is to read files. They just read data from the files and put them into a buffer. They are obviously I/O intensive.
Workers: These are CPU intensive. They do some computation... (5 Replies)
Hi all,
How can I get the list of all Threads and the Total count of threads under a particular process ?
Do suggest !!
Awaiting for the replies !!
Thanks
Varun:b: (2 Replies)
Currently, Im trying to redesign some Unix-based C code to work on the Windows operating system and one problem I ran into when compiling was that the compiler failed to recognise scandir() (from my original Linux code)
Im aware that scandir() is a Unix-based function, so is there an equivalent... (1 Reply)
Hello! I started studying studying about POSIX Threads a few days ago... so I am a little confused and I would appreciate some help!
I isolated this code... and I wonder if I could use threads in it!
#include <unistd.h>
#endif
#include <math.h>
//#include "main.h"
#include <sys/time.h>... (1 Reply)
Hi everyone;
I am trying to compile and execute a test program I wrote that calls scandir and it seems to not like my prototype. The Documentation on SUN for this function is clear, but I am missed something..... and I can't figure it out;
I am using
cc -gv -osaveas saveas.c
on Sun... (1 Reply)
Discussion started by: dhelie
1 Replies
LEARN ABOUT FREEBSD
alphasort
SCANDIR(3) BSD Library Functions Manual SCANDIR(3)NAME
scandir, alphasort -- scan a directory
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <dirent.h>
int
scandir(const char *dirname, struct dirent ***namelist, int (*select)(const struct dirent *),
int (*compar)(const struct dirent **, const struct dirent **));
int
scandir_b(const char *dirname, struct dirent ***namelist, int (*select(rp(const struct dirent *),
int (^compar)(const struct dirent **, const struct dirent **));
int
alphasort(const struct dirent **d1, const struct dirent **d2);
DESCRIPTION
The scandir() function reads the directory dirname and builds an array of pointers to directory entries using malloc(3). It returns the num-
ber of entries in the array. A pointer to the array of directory entries is stored in the location referenced by namelist.
The select argument is a pointer to a user supplied subroutine which is called by scandir() to select which entries are to be included in the
array. The select routine is passed a pointer to a directory entry and should return a non-zero value if the directory entry is to be
included in the array. If select is null, then all the directory entries will be included.
The compar argument is a pointer to a user supplied subroutine which is passed to qsort(3) to sort the completed array. If this pointer is
null, the array is not sorted.
The alphasort() function is a routine which can be used for the compar argument to sort the array alphabetically using strcoll(3).
The memory allocated for the array can be deallocated with free(3), by freeing each pointer in the array and then the array itself.
The scandir_b() function behaves in the same way as scandir(), but takes blocks as arguments instead of function pointers and calls qsort_b()
rather than qsort().
DIAGNOSTICS
Returns -1 if the directory cannot be opened for reading or if malloc(3) cannot allocate enough memory to hold all the data structures.
SEE ALSO directory(3), malloc(3), qsort(3), strcoll(3), dir(5)HISTORY
The scandir() and alphasort() functions appeared in 4.2BSD.
BSD January 3, 2010 BSD