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stringlist (3)

>> stringlist (3) ( FreeBSD man: Библиотечные вызовы )

BSD mandoc

NAME

stringlist

 
sl_init

 
sl_add

 
sl_free

 
sl_find

 - stringlist manipulation functions

LIBRARY

Lb libc

SYNOPSIS

#include <stringlist.h>
StringList * sl_init ();
int sl_add (StringList *sl char *item);
void sl_free (StringList *sl int freeall);
char * sl_find (StringList *sl char *item);

DESCRIPTION

The functions manipulate stringlists, which are lists of strings that extend automatically if necessary.

The Vt StringList structure has the following definition:

typedef struct _stringlist {
        char    **sl_str;
        size_t    sl_max;
        size_t    sl_cur;
} StringList;

sl_str: a pointer to the base of the array containing the list.
sl_max: the size of sl_str
sl_cur: the offset in sl_str of the current element.

The following stringlist manipulation functions are available:

Fn sl_init: Create a stringlist. Returns a pointer to a Vt StringList , or NULL in case of failure.
Fn sl_free: Releases memory occupied by Fa sl and the Fa sl->sl_str array. If Fa freeall is non-zero, then each of the items within Fa sl->sl_str is released as well.
Fn sl_add: Add Fa item to Fa sl->sl_str at Fa sl->sl_cur , extending the size of Fa sl->sl_str . Returns zero upon success, -1 upon failure.
Fn sl_find: Find Fa item in Fa sl , returning NULL if it is not found.

HISTORY

The functions appeared in Fx 2.2.6 and Nx 1.3 .

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Created 1996-2024 by Maxim Chirkov
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