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Command: sl_init | Section: 3 | Source: MINIX | File: sl_init.3
STRINGLIST(3) FreeBSD Library Functions Manual STRINGLIST(3)
NAME
stringlist, sl_init, sl_add, sl_free, sl_find, sl_delete - stringlist
manipulation functions
LIBRARY
Standard C Library (libc, -lc)
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, const char *item);
int
sl_delete(StringList *sl, const char *item, int freeit);
DESCRIPTION
The stringlist functions manipulate stringlists, which are lists of
strings that extend automatically if necessary.
The StringList structure has the following definition:
typedef struct _stringlist {
char **sl_str;
size_t sl_max;
size_t sl_cur;
} StringList;
where:
sl_str is a pointer to the base of the array containing the list,
sl_max is the size of sl_str, and
sl_cur is the offset in sl_str of the current element.
The following stringlist manipulation functions are available:
sl_init() Create a stringlist. Returns a pointer to a StringList,
or NULL in case of failure.
sl_free() Releases memory occupied by sl and the sl->sl_str array.
If freeall is non-zero, then each of the items within
sl->sl_str is released as well.
sl_add() Add item to sl->sl_str at sl->sl_cur, extending the size
of sl->sl_str. Returns zero upon success, -1 upon
failure.
sl_find() Find item in sl, returning NULL if it's not found.
sl_delete() Remove item from the list. If freeit is non-zero, the
string is freed. Returns 0 if the name is found and -1 if
the name is not found.
SEE ALSO
free(3), malloc(3)
HISTORY
The stringlist functions appeared in NetBSD 1.3.
FreeBSD 14.1-RELEASE-p8 May 6, 2010 FreeBSD 14.1-RELEASE-p8