字符串翻转

/*字符串翻转是常见笔试面试题，记录下来*/

#include <stdio.h>

#include <string.h>

void reverse( const char *src, char *dest )

{

    if ( src == 0 )

    {

        return ;

    }

    int strLen = strlen(src);

    while ( strLen )

    {

        *dest = src[strLen-1];

        dest ++;

        strLen--;

    }

}

void strrev_ms( char *input, char *output, int len )

{

    for ( int i = 0 ; i < len ; i++ )

    {

        output[len-i-1] = input[i];

    }

}

int main()

{

    char str[] = "hust";

    char dst[1024] = {0};

    reverse(str,dst);

    fprintf(stderr,"reverse is %s\n",dst);

    memset(dst,0,sizeof(dst));

    strrev_ms(str,dst,4);

    return 0;

}