今天在一国外网站上, 看到下面的代码, 觉得挺精简.

复制代码 代码如下:

char *tr ( char *s )

{

int i = 0;

int j = strlen ( s ) - 1;

int k = 0;

while ( isspace ( s[i] ) && s[i] != '' )

i++;

while ( isspace ( s[j] ) && j >= 0 )

j--;

while ( i <= j )

s[k++] = s[i++];

s[k] = '';

return s;

}