/* nice */ char *args[100]; char string[10000]; main(argc, argv) int argc; char *argv[]; { int i; char **argp, *strp, *p; if(argc < 2) { printf("arg count\n"); exit(); } argc--; argv++; argp = args; strp = string; for (i=0; i<9; i++) *strp++ = "/usr/bin/"[i]; for(i=0; i<argc; i++) { *argp++ = strp; p = *argv++; while(*strp++ = *p++); } *argp = 0; nice(16); execv(string+9, args); execv(string+4, args); execv(string, args); printf("%s not found\n", string+9); }