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WMEMCHR(3) FreeBSD Library Functions Manual WMEMCHR(3) NAME wmemchr, wmemcmp, wmemcpy, wmemmove, wmemset, wcscat, wcschr, wcscmp, wcscpy, wcscspn, wcslcat, wcslcpy, wcslen, wcsncat, wcsncmp, wcsncpy, wcsnlen, wcspbrk, wcsrchr, wcsspn, wcsstr, wcswcs - wide-character string manipulation operations LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <wchar.h> wchar_t * wmemchr(const wchar_t *s, wchar_t c, size_t n); int wmemcmp(const wchar_t *s1, const wchar_t *s2, size_t n); wchar_t * wmemcpy(wchar_t * restrict s1, const wchar_t * restrict s2, size_t n); wchar_t * wmemmove(wchar_t *s1, const wchar_t *s2, size_t n); wchar_t * wmemset(wchar_t *s, wchar_t c, size_t n); wchar_t * wcscat(wchar_t * restrict s1, const wchar_t * restrict s2); wchar_t * wcschr(const wchar_t *s, wchar_t c); int wcscmp(const wchar_t *s1, const wchar_t *s2); wchar_t * wcscpy(wchar_t * restrict s1, const wchar_t * restrict s2); size_t wcscspn(const wchar_t *s1, const wchar_t *s2); size_t wcslcat(wchar_t *s1, const wchar_t *s2, size_t n); size_t wcslcpy(wchar_t *s1, const wchar_t *s2, size_t n); size_t wcslen(const wchar_t *s); wchar_t * wcsncat(wchar_t * restrict s1, const wchar_t * restrict s2, size_t n); int wcsncmp(const wchar_t *s1, const wchar_t * s2, size_t n); wchar_t * wcsncpy(wchar_t * restrict s1, const wchar_t * restrict s2, size_t n); size_t wcsnlen(const wchar_t *s, size_t maxlen); wchar_t * wcspbrk(const wchar_t *s1, const wchar_t *s2); wchar_t * wcsrchr(const wchar_t *s, wchar_t c); size_t wcsspn(const wchar_t *s1, const wchar_t *s2); wchar_t * wcsstr(const wchar_t *s1, const wchar_t *s2); wchar_t * wcswcs(const wchar_t *s1, const wchar_t *s2); DESCRIPTION These functions implement string manipulation operations over wide- character strings. For a detailed description, refer to the documents for the respective single-byte counterpart, such as memchr(3). The wcswcs() function is not a part of ISO/IEC 9899:1990 ("ISO C90") and ISO/IEC 9899/AMD1:1995 ("ISO C90, Amendment 1"), the wcsstr() function is strongly recommended to be used. SEE ALSO memchr(3), memcmp(3), memcpy(3), memmove(3), memset(3), stpcpy(3), stpncpy(3), strcasecmp(3), strcat(3), strchr(3), strcmp(3), strcpy(3), strcspn(3), strdup(3), strlcat(3), strlcpy(3), strlen(3), strncat(3), strncmp(3), strncpy(3), strnlen(3), strpbrk(3), strrchr(3), strspn(3), strstr(3) STANDARDS The wmemchr(), wmemcmp(), wmemcpy(), wmemmove(), wmemset(), wcscat(), wcschr(), wcscmp(), wcscpy(), wcscspn(), wcslen(), wcsncat(), wcsncmp(), wcsncpy(), wcspbrk(), wcsrchr(), wcsspn() and wcsstr() functions were first introduced in ISO/IEC 9899/AMD1:1995 ("ISO C90, Amendment 1") and conform to ISO/IEC 9899:1999 ("ISO C99"). Part of them: wmemmove(), wcscat(), wcscpy(), wcsncat() and wcsncpy() were modified in ISO/IEC 9899:1999 ("ISO C99") and gained the restrict keyword in parameter list, this new version is present in NetBSD. The wcswcs() function conforms to X/Open Portability Guide Issue 4, Version 2 ("XPG4.2"), it is recommended to use technically equivalent wcsstr() for maximum portability. The wcsnlen() function conforms to IEEE Std 1003.1-2008 ("POSIX.1"). The wcslcat() and wcslcpy() functions are NetBSD extensions. FreeBSD 14.1-RELEASE-p8 October 15, 2016 FreeBSD 14.1-RELEASE-p8