_isdigit_l_iswdigit_l 發行項 2024/08/03 8 位參與者 意見反應 本文內容 語法 傳回值 備註 需求 另請參閱 判斷整數是否代表十進位數字字元。語法C 複製 int isdigit( int c ); int iswdigit( wint_t c ); int _isdigit_l( int c, _locale_t locale ); int _iswdigit_l( wint_t c...
int isdigit( int c ); int iswdigit( wint_t c ); int _isdigit_l( int c, _locale_t locale ); int _iswdigit_l( wint_t c, _locale_t locale ); Parameters c Integer to test. locale The locale to use. Return Value Each of these routines returns nonzero if c is a particular ...
int isdigit( int c ); int iswdigit( wint_t c ); int _isdigit_l( int c, _locale_t locale ); int _iswdigit_l( wint_t c, _locale_t locale ); 参数c 测试的整数。 locale 使用的区域设置。返回值,如果 c 是十进制数字字符的特定表示,其中每个实例返回非零。isdigit 返回非零值,如果 c ...
int isdigit( int c ); int iswdigit( wint_t c ); int _isdigit_l( int c, _locale_t locale ); int _iswdigit_l( wint_t c, _locale_t locale ); Parametersc Integer to test. locale The locale to use.Return ValueEach of these routines returns nonzero if c is a particular represent...
int isdigit( int c ); int iswdigit( wint_t c ); int _isdigit_l( int c, _locale_t locale ); int _iswdigit_l( wint_t c, _locale_t locale ); Parametersc Integer to test.locale The locale to use.Return valueEach of these routines returns nonzero if c is a particular representatio...
int isdigit( int c ); int iswdigit( wint_t c ); int _isdigit_l( int c, _locale_t locale ); int _iswdigit_l( wint_t c, _locale_t locale ); Parametersc Integer to test.locale The locale to use.Return valueEach of these routines returns nonzero if c is a particular representatio...
int iscntrl_l(Character, locale); intCharacter; locale_tlocale; 說明 這些常式與isalpha、is上層、islower、isdigit、isxdigit、isalnum、isspace、ispunct、isprint、isgraph、 及iscntrl子常式,但它們在語言環境而非現行語言環境所代表的語言環境中測試字元...
int isdigit_l(Character, locale); intCharacter; locale_tlocale; int isxdigit_l(Character, locale); intCharacter; locale_tlocale; int isalnum_l(Character, locale); intCharacter; locale_tlocale; int isspace_l(Character, locale); intCharacter; ...
Python中的 isdigit() 是用于检测字符串是否只由数字组成,是则返回Ture,否则返回Flase isdigit()方法语法:str.isdigit() 注:当str是小数时返回Flase 例如: 运行 print(int(1.9) ) #---返回1 a=input('输入1.9') #---当输入1.9时 if a.isdigit() : print...