Реверсированный список

#include <stdio.h>
 
char *string_rev(char *s)
{
char *pTail = s;
while (*pTail != '\0'); 
    {
    ++pTail;
    }
 
pTail = pTail-1;
for (char *pHead = s; pHead < pTail; pHead++, pTail--) 
   {
    char c = *pHead;
    *pHead = *pTail;
    *pTail = c;
   }
 return s;
}
int main()
{
    char buf[BUFSIZ];
 
    printf("String:  ");
    scanf("%[^\n]%*c", buf);
    printf("Reverse String : %s\n", string_rev(buf));
 
    return 0;
}

#include <stdio.h>
 
char * strreverse(const char * inStr, char * outStr, int size){
    const char * pIn;
    char * pOut;
    
    for ( pIn = inStr; *pIn; ++pIn)
        ;
    
    for ( pOut = outStr; pIn > inStr && size > 1; --size )
        *pOut++ = *--pIn;
    *pOut = '\0';
    
    return outStr;
}
 
int main(void){
    char inBuf[BUFSIZ], outBuf[BUFSIZ];
    
    printf("String: ");
    scanf("%[^\n]%*c", inBuf);
    printf("Result: %s\n", strreverse(inBuf, outBuf, BUFSIZ));
    
    return 0;
}