c常用函数(国外英语资料).docVIP

下载本文档

8
0
约2.53万字
约 28页
2017-06-23 发布于河南
举报
版权申诉

c常用函数(国外英语资料).doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

c常用函数(国外英语资料)

c常用函数(国外英语资料) C common function.Txt (1): isalnum (whether the test character is English or numeric) Correlation functions isalpha, isDigit, islower, isupper Header file #includectype.h Define function int isalnum (int c) Check whether the parameters of the C function that English letters or digital Arabia in standard C is equivalent to the use of isalpha (c) || isDigit (c) to do the test. (2): isalpha (whether the test characters are English letters) Correlation functions isalnum, islower, isupper Header file #includectype.h Define function int isalpha (int c) The function specification checks that the parameter C is an English letter, which is equivalent to using the isupper (c) ||islower (c) test in the standard C. (3): isascii (whether the test character is a ASCII code character) Correlation function iscntrl Header file #include ctype.h Define function int isascii (int c); The function specification checks that the parameter C is a ASCII code character, that is, to determine whether the range of C is between 0 and 127. (4): iscntrl (whether the test character is a control character of ASCII code) Correlation function isascii Header file #include ctype.h Define function int iscntrl (int c); The function specification checks that the parameter C is a ASCII control, that is, to determine whether the range of C is between 0 and 30. (5): isDigit (whether the test character is a Arabia numeral) Correlation function isxdigit Header file #includectype.h Define function int isDigit (int c) Function description to check whether the parameter C is from Arabia numbers 0 through 9. (6): isgraphis (whether the test characters are printable characters) Correlation function isprint Header file #include ctype.h Define function int isgraph (int c) Function description to check whether the parameter C is printable characters and return TRUE if the ASCII code for C is printable and not blank. (7): islower (whether the test character is lowercase) The correlation function isalpha, i