k9core/src/echo.c

#include <stdio.h>
#include <string.h>

int
main(int argc, char *argv[])
{
  int nflag;
  if(strcmp(argv[1], "-n") == 0)
    nflag = 1;
  ++argv;
  while(*argv) {
    (void)fputs(*argv, stdout);   // Print argv
    if(*++argv) putchar(' ');     // If multiple things in argv, print a space between them.
  }
  if(nflag) putchar('\n');
  return 0;
}