目录
Linux C...............................................................................................................................................1
目录....................................................................................................................................................2
1 字符测试篇......................................................................................................................................9
(测试字符是否为英文或数字) .......................................................................9
(测试字符是否为英文字母) ..........................................................................10
码字符) ....................................................................10
码的控制字符) .......................................................11
(测试字符是否为阿拉伯数字) ........................................................................11
(测试字符是否为可打印字符) ...................................................................12
(测试字符是否为小写字母) ..........................................................................13
(测试字符是(否为可打印字符) ...................................................................13
(测试字符是否为空格字符) ..........................................................................14
(测试字符是否为标点符号或特殊符号) ....................................................15
(测试字符是否为大写英文字母) ................................................................16
进制数字) ..................................................................16
(将字符串转换成浮点型数) ................................................................................18
(将字符串转换成整型数) ....................................................................................18
(将字符串转换成长整型数) ................................................................................19
(将浮点型数转换为字符串,取四舍五入) ......................................................20
(将字符串转换成浮点数) .................................................................................21
(将字符串转换成长整型数) ..............................................................................21
(将字符串转换成无符号长整型数) ...............................................................22
码字符) .......................................................23
(将大写字母转换成小写字母) ......................................................................23
(将小写字母转换成大写字母) ....................................................................24
(取得内存分页大小) ................................................................................27
(将时间和日期以字符串格式表示) .............................................................31
(将时间和日期以字符串格式表示) .................................................................31
(取得目前的时间) .................................................................................32
(取得目前时间和日期) ..................................................................................33