1 #ifndef lint 2 static char sccsid[] = "@(#)strcat.c 5.1 (Berkeley) 06/05/85"; 3 #endif not lint 4 5 /* 6 * Concatenate s2 on the end of s1. S1's space must be large enough. 7 * Return s1. 8 */ 9 10 char * 11 strcat(s1, s2) 12 register char *s1, *s2; 13 { 14 register char *os1; 15 16 os1 = s1; 17 while (*s1++) 18 ; 19 --s1; 20 while (*s1++ = *s2++) 21 ; 22 return(os1); 23 } 24