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0 Command: wcsdup | Section: 3 | Source: OpenBSD | File: wcsdup.3
WCSDUP(3) FreeBSD Library Functions Manual WCSDUP(3) NAME wcsdup - save a copy of a wide string SYNOPSIS #include <wchar.h> wchar_t * wcsdup(const wchar_t *str); DESCRIPTION The wcsdup() function allocates sufficient memory for a copy of the wide- character string str, does the copy, and returns a pointer to it. The pointer may subsequently be used as an argument to the function free(3). If insufficient memory is available, NULL is returned. EXAMPLES The following will point p to an allocated area of memory containing the nul-terminated string "foobar": const char *o = "foobar"; wchar_t *p, b[32]; size_t blen; blen = sizeof(b) / sizeof(b[0]); if (mbstowcs(b, o, blen) == (size_t)-1) err(1, NULL); b[blen - 1] = 0; if ((p = wcsdup(b)) == NULL) err(1, NULL); ERRORS The wcsdup() function may fail and set the external variable errno for any of the errors specified for the library function malloc(3). SEE ALSO free(3), malloc(3), strdup(3) STANDARDS The wcsdup() function conforms to IEEE Std 1003.1-2008 ("POSIX.1"). HISTORY The wcsdup() function was ported from NetBSD and first appeared in OpenBSD 5.0. FreeBSD 14.1-RELEASE-p8 July 25, 2011 FreeBSD 14.1-RELEASE-p8

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