ref: bf8045ae53625a05a91049f7757ae4036b2d91cd
dir: /cmd/echo.c/
#include <u.h> #include <libc.h> #include <bitmap.h> void echo_main(int argc, char **argv, char *cwd) { int i; i = 1; if(argc >= 1 && !strcmp(argv[1], "-b")) { i = 2; while(i < argc) { bitputs(argv[i]); i++; } } while(i < argc) { printf("%s ", argv[i]); i++; } printf("\n"); }