Section 3: library functions
wcsncmp – compare two fixed-size wide-character strings Synopsis #include <wchar.h> int wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n); Description The wcsncmp() function is the wide-character equivalent of the strncmp(3) function. It compares the wide-character string pointed to by s1 and the wide-character string pointed to by s2, but at most n wide characters from…
wcsncat – concatenate two wide-character strings Synopsis #include <wchar.h> wchar_t *wcsncat(wchar_t *dest, const wchar_t *src, size_t n); Description The wcsncat() function is the wide-character equivalent of the strncat(3) function. It copies at most n wide characters from the wide-character string pointed to by src to the end of the wide-character string pointed to by dest,…
wcsncasecmp – compare two fixed-size wide-character strings, ignoring case Synopsis #include <wchar.h> int wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcsncasecmp(): Since glibc 2.10: _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE Description The wcsncasecmp() function is the wide-character equivalent of the strncasecmp(3) function. It compares the wide-character string…
wcslen – determine the length of a wide-character string Synopsis #include <wchar.h> size_t wcslen(const wchar_t *s); Description The wcslen() function is the wide-character equivalent of the strlen(3) function. It determines the length of the wide-character string pointed to by s, excluding the terminating null wide character (L’
wcslcat wcslcpy – wide character string manipulation operations Library Lb libbsd Synopsis In bsd/wchar.h Ft size_t Fn wcslcat wchar_t *s1 const wchar_t *s2 size_t n Ft size_t Fn wcslcpy wchar_t *s1 const wchar_t *s2 size_t n Description The functions implement string manipulation operations over wide character strings. For a detailed description, refer to documents for…
wcslcat wcslcpy – wide character string manipulation operations Library Lb libbsd Synopsis In bsd/wchar.h Ft size_t Fn wcslcat wchar_t *s1 const wchar_t *s2 size_t n Ft size_t Fn wcslcpy wchar_t *s1 const wchar_t *s2 size_t n Description The functions implement string manipulation operations over wide character strings. For a detailed description, refer to documents for…
wcsdup – duplicate a wide-character string Synopsis #include <wchar.h> wchar_t *wcsdup(const wchar_t *s); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcsdup(): Since glibc 2.10: _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE Description The wcsdup() function is the wide-character equivalent of the strdup(3) function. It allocates and returns a new wide-character string whose initial contents is a…
wcscspn – search a wide-character string for any of a set of wide characters Synopsis #include <wchar.h> size_t wcscspn(const wchar_t *wcs, const wchar_t *reject); Description The wcscspn() function is the wide-character equivalent of the strcspn(3) function. It determines the length of the longest initial segment of wcs which consists entirely of wide-characters not listed in…
wcscpy – copy a wide-character string Synopsis #include <wchar.h> wchar_t *wcscpy(wchar_t *dest, const wchar_t *src); Description The wcscpy() function is the wide-character equivalent of the strcpy(3) function. It copies the wide-character string pointed to by src, including the terminating null wide character (L’
wcscmp – compare two wide-character strings Synopsis #include <wchar.h> int wcscmp(const wchar_t *s1, const wchar_t *s2); Description The wcscmp() function is the wide-character equivalent of the strcmp(3) function. It compares the wide-character string pointed to by s1 and the wide-character string pointed to by s2. Return Value The wcscmp() function returns zero if the wide-character…
wcschr – search a wide character in a wide-character string Synopsis #include <wchar.h> wchar_t *wcschr(const wchar_t *wcs, wchar_t wc); Description The wcschr() function is the wide-character equivalent of the strchr(3) function. It searches the first occurrence of wc in the wide-character string pointed to by wcs. Return Value The wcschr() function returns a pointer to…
wcscat – concatenate two wide-character strings Synopsis #include <wchar.h> wchar_t *wcscat(wchar_t *dest, const wchar_t *src); Description The wcscat() function is the wide-character equivalent of the strcat(3) function. It copies the wide-character string pointed to by src, including the terminating null wide character (L’
wcscasecmp – compare two wide-character strings, ignoring case Synopsis #include <wchar.h> int wcscasecmp(const wchar_t *s1, const wchar_t *s2); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcscasecmp(): Since glibc 2.10: _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE Description The wcscasecmp() function is the wide-character equivalent of the strcasecmp(3) function. It compares the wide-character string pointed to by…
wcrtomb – convert a wide character to a multibyte sequence Synopsis #include <wchar.h> size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps); Description The main case for this function is when s is not NULL and wc is not a null wide character (L’
wcpncpy – copy a fixed-size string of wide characters, returning a pointer to its end Synopsis #include <wchar.h> wchar_t *wcpncpy(wchar_t *dest, const wchar_t *src, size_t n); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcpncpy(): Since glibc 2.10: _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE Description The wcpncpy() function is the wide-character equivalent of the stpncpy(3) function….
wcpcpy – copy a wide-character string, returning a pointer to its end Synopsis #include <wchar.h> wchar_t *wcpcpy(wchar_t *dest, const wchar_t *src); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): wcpcpy(): Since glibc 2.10: _POSIX_C_SOURCE >= 200809L Before glibc 2.10: _GNU_SOURCE Description The wcpcpy() function is the wide-character equivalent of the stpcpy(3) function. It copies the wide-character string…
err, verr, errx, verrx, warn, vwarn, warnx, vwarnx – formatted error messages Synopsis #include <err.h> void err(int eval, const char *fmt, …); void errx(int eval, const char *fmt, …); void warn(const char *fmt, …); void warnx(const char *fmt, …); #include <stdarg.h> void verr(int eval, const char *fmt, va_list args); void verrx(int eval, const char *fmt,…
err, verr, errx, verrx, warn, vwarn, warnx, vwarnx – formatted error messages Synopsis #include <err.h> void err(int eval, const char *fmt, …); void errx(int eval, const char *fmt, …); void warn(const char *fmt, …); void warnx(const char *fmt, …); #include <stdarg.h> void verr(int eval, const char *fmt, va_list args); void verrx(int eval, const char *fmt,…
waffle_x11_egl, waffle_x11_egl_display, waffle_x11_egl_config, waffle_x11_egl_context, waffle_x11_egl_window – Containers for underlying native X11/EGL objects Synopsis #include <waffle_x11_egl.h> struct waffle_x11_egl_display { Display *xlib_display; EGLDisplay egl_display; }; struct waffle_x11_egl_config { struct waffle_x11_egl_display display; EGLConfig egl_config; }; struct waffle_x11_egl_context { struct waffle_x11_egl_display display; EGLContext egl_context; }; struct waffle_x11_egl_window { struct waffle_x11_egl_display display; XID xlib_window; EGLSurface egl_surface; }; See Also waffle(7),…
waffle_x11_egl, waffle_x11_egl_display, waffle_x11_egl_config, waffle_x11_egl_context, waffle_x11_egl_window – Containers for underlying native X11/EGL objects Synopsis #include <waffle_x11_egl.h> struct waffle_x11_egl_display { Display *xlib_display; EGLDisplay egl_display; }; struct waffle_x11_egl_config { struct waffle_x11_egl_display display; EGLConfig egl_config; }; struct waffle_x11_egl_context { struct waffle_x11_egl_display display; EGLContext egl_context; }; struct waffle_x11_egl_window { struct waffle_x11_egl_display display; XID xlib_window; EGLSurface egl_surface; }; See Also waffle(7),…