Subj : Re: Reverse words in a string (Another Interview question)
To   : comp.programming
From : pete
Date : Wed Oct 05 2005 02:50 pm

Roger Willcocks wrote:
 
> Okay, how about:
> 
> #include <stdio.h>
> #include <memory.h>
 
mem functions are among the string functions in C.
In C, it's <string.h> for string and memory functions like memcpy.

> char* revstr(char* str, char* out)
> {
>     char* end;
>     while (*str == ' ') str++;
>     end = str;
>     while (*end && *end != ' ') end++;
>     if (*end) {
>         out = revstr(end, out);
>         *out++ = ' ';
>     }
>     memcpy(out, str, end - str);
>     *(out += end - str) = 0;
>     return out;
> }

-- 
pete

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