[源码] v7中 echo.c

http://www.google.com/codesearch
http://minnie.tuhs.org/UnixTree/V7/usr/
#include
main(argc, argv)
int argc;
char *argv[];
{
register int i, nflg;
nflg = 0;
if(argc > 1 && argv[1][0] == '-' && argv[1][1] == 'n') {
nflg++;
argc--;
argv++;
}
for(i=1; i
fputs(argv[i], stdout);
if (i < argc-1)
putchar(' ');
}
if(nflg == 0)
putchar('\n');
exit(0);
}