reverses the contents of string str. - C String

Description

reverses the contents of string str.

void reverse(char str[])
{
  int ch, j, k;
  for(j = 0, k = strlen(str) - 1; j < k; j++, k--){
    ch = str[j];
    str[j] = str[k];
    str[k] = ch;
  }
}

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