1 static char *sccsid = "@(#)echo.c 4.1 (Berkeley) 10/01/80"; 2 #include <stdio.h> 3 4 main(argc, argv) 5 int argc; 6 char *argv[]; 7 { 8 register int i, nflg; 9 10 nflg = 0; 11 if(argc > 1 && argv[1][0] == '-' && argv[1][1] == 'n') { 12 nflg++; 13 argc--; 14 argv++; 15 } 16 for(i=1; i<argc; i++) { 17 fputs(argv[i], stdout); 18 if (i < argc-1) 19 putchar(' '); 20 } 21 if(nflg == 0) 22 putchar('\n'); 23 exit(0); 24 } 25