alphasort()

Updated: April 19, 2023

Compare two directory entries

Synopsis:

#include <dirent.h>

int alphasort( const struct dirent **d1,
               const struct dirent **d2);

Arguments:

d1, d2
Pointers to the struct dirent directory entries that you want to compare.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The alphasort() function alphabetically compares two directory entries. You can use it as the compar argument to scandir().

Returns:

< 0
The d1 entry precedes the d2 entry alphabetically.
0
The entries are equivalent.
> 0
The d1 entry follows the d2 entry alphabetically.

Classification:

POSIX 1003.1

Safety:  
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes