Something

// *pch is a pointer to the beginning of a stringwhile (*pch == ' ') pch++;char * ptemp = pch;while (*ptemp) ptemp++;ptemp--;while (*ptemp == ' ') ptemp--;*ptemp = 0; - or -while(*ptemp) ptemp++;do ptemp--;while(*ptemp == ' ');*ptemp = '\0'