公司网站维护费 入什么科目,哪些公司网站做的很好,顾客评价网站,网站建设公司宣传册在头文件中定义int isgraph(int ch);检查给定字符是否具有图形表示形式#xff0c;即它是数字(0123456789)#xff0c;大写字母(ABCDEFGHIJKLMNOPQRSTUVWXYZ)#xff0c;小写字母(abcdefghijklmnopqrstuvwxyz)或标点符号(!#$%()*,-./:;?[\]^_{|}~)或特定…在头文件中定义int isgraph(int ch);检查给定字符是否具有图形表示形式即它是数字(0123456789)大写字母(ABCDEFGHIJKLMNOPQRSTUVWXYZ)小写字母(abcdefghijklmnopqrstuvwxyz)或标点符号(!#$%()*,-./:;?[\]^_{|}~)或特定于当前C语言环境的图形字符。如果ch的值不能表示为unsigned char并且不等于EOF则行为是未定义的。参数ch-分类字符返回值如果字符具有图形表示字符则为非零值否则为零。例#include #include #include int main(void){unsigned char c \xb6; // the character ¶ in ISO-8859-1 printf(In the default C locale, \\xb6 is %sgraphical\n, isgraph(c) ? : not ); setlocale(LC_ALL, en_GB.iso88591); printf(In ISO-8859-1 locale, \\xb6 is %sgraphical\n, isgraph(c) ? : not );}输出In the default C locale, \xb6 is not graphicalIn ISO-8859-1 locale, \xb6 is graphical参考C11标准(ISO / IEC 98992011)7.4.1.6 isgraph函数(p201-202)C99标准(ISO / IEC 98991999)7.4.1.6 isgraph函数(p182-183)C89 / C90标准(ISO / IEC 98991990)4.3.1.5 isgraph函数扩展内容iswgraph(C95)检查宽字符是否是图形字符(函数)| 用于isgraph的C 文档 |ASCII 值 (十六进制)字符iscntrl iswcntrl.isprint iswprint.isspace iswspace.isblank iswblank.isgraph iswgraph.ispunct iswpunct.isalnum iswalnum.isalpha iswalpha.isupper iswupper.islower iswlower.isdigit iswdigit.isxdigit iswxdigit.0 - 80x00-0x08控制码(NUL, etc.)≠00000000000090x09tab (\t)≠00≠0≠00000000010 - 130x0A-0x0D空格 (\n,\v,\f,\r)≠00≠000000000014 - 310x0E-0x1F控制码≠000000000000320x20space0≠0≠0≠00000000033 - 470x21-0x2F!#$%()*,-./0≠000≠0≠000000048 - 570x30-0x3901234567890≠000≠00≠0000≠0≠058 - 640x3a-0x40:;?0≠000≠0≠000000065 - 700x41-0x46ABCDEF0≠000≠00≠0≠0≠000≠071 - 900x47-0x5AGHIJKLMNOPQRSTUVWXYZ0≠000≠00≠0≠0≠000091 - 960x5B-0x60[]^_ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |97 -1020x61-0x66abcdef0≠000≠00≠0≠00≠00≠0103-1220x67-0x7Aghijklmnopqrstuvwxyz0≠000≠00≠0≠00≠000123-1260x7B-0x7E{|}~0≠000≠0≠00000001270x7F退格 (DEL)≠000000000000
