#include <u.h>
#include <libc.h>
void
main(int argc, char *argv[])
{
int i, len;
char *buf, *p;
len = 1;
for(i = 1; i < argc; i++)
len += strlen(argv[i])+1;
buf = malloc(len);
if(buf == 0)
exits("no memory");
p = buf;
for(i = 1; i < argc; i++){
strcpy(p, argv[i]);
p += strlen(p);
if(i < argc-1)
*p++ = ' ';
}
if(write(1, buf, p-buf) < 0){
fprint(2, "echo: write error: %r\n");
exits("write error");
}
exits((char *)0);
}
|