/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ /* * SCCSID: @(#)strcat.c 3.0 4/22/86 */ /* * Concatenate s2 on the end of s1. S1's space must be large enough. * Return s1. */ char * strcat(s1, s2) register char *s1, *s2; { register char *os1; os1 = s1; while (*s1++) ; --s1; while (*s1++ = *s2++) ; return(os1); }