1 static char Sccsid[] = "@(#)cat.c 1.2 02/15/87"; 2 /* 3 Concatenate strings. 4 5 cat(destination,source1,source2,...,sourcen,0); 6 7 returns destination. 8 */ 9 10 char *cat(dest,source) 11 char *dest, *source; 12 { 13 register char *d, *s, **sp; 14 15 d = dest; 16 for (sp = &source; s = *sp; sp++) { 17 while (*d++ = *s++) ; 18 d--; 19 } 20 return(dest); 21 } 22