In article <1991Jun4.213935.5508 at ms.uky.edu> kherron at ms.uky.edu (Kenneth Herron) writes: > > while (*a && *b) > *d++ = *a++ + *b++; > *d = '\0'; This is not a strcat. Frankly, i don't know what your trying to do.. >How exactly did you want these strings combined? I think he wanted to concat string b onto string a..