Annotation of dietlibc/t.c, revision 1.137
1.56 fefe 1: #define _GNU_SOURCE
1.47 fefe 2: #define _FILE_OFFSET_BITS 64
1.1 cvs 3: #include <unistd.h>
4: #include <endian.h>
5: #include <stdlib.h>
6: #include <dirent.h>
7: #include <pwd.h>
1.40 fefe 8: #include <shadow.h>
1.1 cvs 9: #include <stdio.h>
10: #include <assert.h>
11: #include <sys/mount.h>
1.7 fefe 12: #include <time.h>
1.9 fefe 13: #include <sys/stat.h>
1.10 fefe 14: #include <stdio.h>
1.12 fefe 15: #include <arpa/inet.h>
1.13 fefe 16: #include <sys/sem.h>
1.14 fefe 17: #include <sys/shm.h>
1.17 fefe 18: #include <math.h>
1.20 fefe 19: #include <termios.h>
1.22 fefe 20: #include <netdb.h>
1.38 fefe 21: #include <sys/mman.h>
1.45 fefe 22: #include <ctype.h>
1.49 fefe 23: #include <mntent.h>
1.53 fefe 24: #include <regex.h>
1.56 fefe 25: #include <sys/types.h>
26: #include <sys/msg.h>
1.63 fefe 27: #include <string.h>
1.76 fefe 28: #include <sys/socket.h>
29: #include <netdb.h>
1.86 fefe 30: #include <signal.h>
1.88 fefe 31: #include <sys/io.h>
1.97 fefe 32: #include <getopt.h>
1.101 fefe 33: #include <arpa/nameser.h>
34: #include <resolv.h>
1.102 fefe 35: #include <fnmatch.h>
1.109 fefe 36: #include <stdarg.h>
1.118 fefe 37: #include <sys/wait.h>
1.133 fefe 38: #include <libgen.h>
1.71 fefe 39:
1.121 fefe 40: #include <errno.h>
41: #include <syslog.h>
42: #include <sys/un.h>
43: #include <fcntl.h>
44:
45: #if 0
46: static const char* Ident;
47: static int Option;
48: static int Facility;
49: static struct sockaddr_un sock;
50: static int fd=-1;
51:
52: static void syslogconnect(void) {
53: sock.sun_family=AF_UNIX;
54: strcpy(sock.sun_path,"/dev/log");
55: if ((fd=socket(AF_UNIX,SOCK_STREAM,0))==-1) return;
56: if (connect(fd,(struct sockaddr*)&sock,sizeof(sock))==-1) {
57: int save=errno;
58: close(fd);
59: fd=-1;
1.109 fefe 60: }
1.121 fefe 61: fcntl(fd,F_SETFL,FD_CLOEXEC); /* doesn't work? too bad */
1.109 fefe 62: }
1.107 fefe 63:
1.121 fefe 64: void openlog(const char *ident, int option, int facility) {
65: Ident=ident;
66: Option=option;
67: Facility=facility;
68: syslogconnect();
1.116 fefe 69: }
70:
1.121 fefe 71: void syslog(int priority, const char *format, ...) {
72: /* write(fd,"<13>Jun 29 19:21:32 leitner: fnord",...) */
73: }
74:
75: void closelog(void) {
76: }
77: #endif
78:
1.97 fefe 79: int main(int argc,char *argv[]) {
1.137 ! fefe 80: long int clk_tck=sysconf(_SC_CLK_TCK);
! 81: printf("%lu\n",clk_tck);
! 82: #if 0
1.136 fefe 83: fwrite("foobar",6,1,stdout);
1.137 ! fefe 84: #endif
1.136 fefe 85: #if 0
1.135 fefe 86: char x[5];
87: x[4]='x';
88: fgets(x,4,stdin);
89: puts(x);
90: printf("%c\n",x[4]);
1.136 fefe 91: #endif
1.134 fefe 92: #if 0
1.133 fefe 93: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
94: char* want[]={"/usr","/",".","/",".","."};
95: int i;
96: for (i=0; i<6; ++i) {
97: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
98: }
1.134 fefe 99: #endif
1.133 fefe 100: #if 0
101: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
102: char* want[]={"lib","usr","usr","/",".",".."};
103: int i;
104: for (i=0; i<6; ++i) {
105: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
106: }
107: #endif
108: #if 0
1.132 fefe 109: int i;
110: for (i=0; i<255; ++i) {
111: int a=isalpha(i);
112: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
113: if (a!=b) printf("%d: %d %d\n",i,a,b);
114: }
1.133 fefe 115: #endif
1.131 fefe 116: #if 0
1.130 fefe 117: char* name;
118: int ptyfd,ttyfd;
119: int i=openpty(&ptyfd,&ttyfd,0,0,0);
120: if (i<0) perror("openpty");
121: printf("%d %d\n",ptyfd,ttyfd);
122: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 123: #endif
1.129 fefe 124: #if 0
125: printf("0x%8.7lx\n",0xfefe);
126: #endif
127: #if 0
1.128 fefe 128: puts(ttyname(0));
1.129 fefe 129: #endif
1.125 fefe 130: #if 0
131: char buf[1024];
132: struct hostent* r;
133: while (r=gethostent_r(buf,1024)) {
134: if (r && r->h_name) {
135: printf("name %s\n", r->h_name);
136: }
137: if (r && (r->h_addr_list)[0]) {
138: struct in_addr address;
139: address = *((struct in_addr *) (r->h_addr_list)[0]);
140: printf("addr %s\n", inet_ntoa(address));
141: }
142: }
143: #endif
144: #if 0
1.124 fefe 145: char *tmp;
146: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 147: #endif
1.128 fefe 148: #if 0
1.123 fefe 149: struct mntent* me;
1.127 fefe 150: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 151: while (me=getmntent(f)) {
152: printf("%s %s %s %s %d %d\n",me->mnt_fsname,me->mnt_dir,me->mnt_type,me->mnt_opts,me->mnt_freq,me->mnt_passno);
153: }
1.124 fefe 154: #endif
1.123 fefe 155: #if 0
156: char *tmp;
157: printf("%x\n",strtol("0Xffff",&tmp,16));
158: #endif
1.122 fefe 159: // putchar('c');
160: // write(1,"fnord\n",6);
1.132 fefe 161: #if 0
1.121 fefe 162: struct addrinfo *ai;
1.131 fefe 163: getaddrinfo("nagus","22",0,&ai);
1.121 fefe 164: #endif
1.122 fefe 165: #if 0
1.121 fefe 166: struct hostent host,*res;
167: char buf[4096];
168: int fnord;
169:
1.131 fefe 170: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 171: #endif
1.121 fefe 172: #if 0
1.119 fefe 173: char buf[128];
1.120 fefe 174: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 175: printf("%d\n",mkdtemp(buf));
176: printf("%s\n",buf);
1.120 fefe 177: #endif
1.119 fefe 178: #if 0
1.118 fefe 179: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 180: #endif
1.113 fefe 181: #if 0
1.109 fefe 182: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 183: assert(0);
1.113 fefe 184: #endif
1.105 fefe 185: #if 0
186: printf("%hd %hhd\n",-5,-1234567);
187: #endif
1.103 fefe 188: #if 0
1.102 fefe 189: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
190: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 191: #endif
1.102 fefe 192: #if 0
1.101 fefe 193: char buf[1024];
194: int len;
195: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 196: #endif
1.114 fefe 197: #if 0
1.100 fefe 198: regex_t t;
199: regmatch_t rm;
1.103 fefe 200: // regcomp(&t,"^ *read",0);
1.113 fefe 201: regcomp(&t,"\\<foo\\>",0);
202: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 203: printf("ofs %d\n",rm.rm_so);
1.101 fefe 204: #endif
1.100 fefe 205: #if 0
1.98 fefe 206: char buf[100];
1.99 fefe 207: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 208: #endif
1.99 fefe 209: #if 0
210: char buf[100];
1.98 fefe 211: memset(buf,17,100);
212: buf[0]=0;
213: strncat(buf,"foobarbaz23",10);
214: puts(buf);
1.99 fefe 215: #endif
1.98 fefe 216: #if 0
1.97 fefe 217: int aflag = 0;
218: int bflag = 0;
219: char *cvalue = NULL;
220: int index;
221: int c;
222:
223: opterr = 1;
224:
225: while ((c = getopt (argc, argv, "abc:")) != -1)
226: switch (c)
227: {
228: case 'a':
229: aflag = 1;
230: break;
231: case 'b':
232: bflag = 1;
233: break;
234: case 'c':
235: cvalue = optarg;
236: break;
237: case '?':
238: if (isprint (optopt))
239: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
240: else
241: fprintf (stderr,
242: "Unknown option character `\\x%x'.\n",
243: optopt);
244: return 1;
245: default:
246: abort ();
247: }
1.96 fefe 248:
1.97 fefe 249: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
250: aflag, bflag, cvalue);
251:
252: for (index = optind; index < argc; index++)
253: printf ("Non-option argument %s\n", argv[index]);
254: return 0;
1.98 fefe 255: #endif
1.97 fefe 256: #if 0
1.96 fefe 257: char *t="foobar";
258: char *c;
259: char buf[1000];
260: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 261: #endif
1.89 fefe 262: #if 0
263: struct netent* n=getnetbyname("loopback");
264: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
265: #endif
266: #if 0
1.88 fefe 267: fprintf(stdout,"foo\n");
268: sleep(1);
269: fprintf(stdout,"bar");
270: fprintf(stderr,"blonk");
271: sleep(1);
272: fprintf(stdout,"\rbz");
273: sleep(1);
274: fprintf(stdout,"\n");
275: sleep(1);
1.89 fefe 276: #endif
1.87 fefe 277: #if 0
1.86 fefe 278: sigset_t s; /* sigsetops */
279:
280: sigemptyset(&s);
281: sigaddset(&s,SIGCHLD);
282: sigaddset(&s,SIGHUP);
283: sigsuspend(&s);
1.87 fefe 284: #endif
1.85 fefe 285: #if 0
1.84 fefe 286: char buf[1024];
287: FILE *f=popen("uname -srm","r");
288: fgets(buf,1023,f);
289: pclose(f);
290: write(1,buf,strlen(buf));
1.85 fefe 291: #endif
1.84 fefe 292: #if 0
1.82 fefe 293: char type[64];
1.83 fefe 294: char filename[256];
295: int major,minor;
1.82 fefe 296: int len;
1.83 fefe 297: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
298: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 299: #endif
1.82 fefe 300: #if 0
1.81 fefe 301: char buf[100];
302: char ip[16];
303: memset(ip,0,16);
304: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
305: puts(buf);
1.82 fefe 306: #endif
1.127 fefe 307: #if 0
1.76 fefe 308: struct addrinfo *ai;
1.78 fefe 309: struct addrinfo hints;
1.79 fefe 310: char buf[16];
1.78 fefe 311: hints.ai_family = AF_UNSPEC;
1.79 fefe 312: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 313: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 314: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 315: while (ai) {
316: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
317: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
318: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
319: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
320: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 321: {
322: char buf[100];
323: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
324: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
325: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
326: printf(" %s\n",buf);
327: }
1.76 fefe 328: ai=ai->ai_next;
329: }
1.81 fefe 330: #endif
1.76 fefe 331: #if 0
1.71 fefe 332: int i=foo;
1.75 fefe 333: printf("load average is %3.2f\n",0.0);
1.76 fefe 334: #endif
1.70 fefe 335: #if 0
1.69 fefe 336: struct dirent **namelist;
337: int n;
1.16 fefe 338:
1.69 fefe 339: n = scandir(".", &namelist, 0, alphasort);
340: if (n < 0)
341: perror("scandir");
342: else {
343: while(n--) {
344: printf("%s\n", namelist[n]->d_name);
345: free(namelist[n]);
346: }
347: free(namelist);
348: }
1.70 fefe 349: #endif
1.68 fefe 350: #if 0
1.67 fefe 351: char foo[10]="none,zlib";
352: char *tmp,*tmp2=foo;
353: while (tmp=strsep(&tmp2,",")) {
354: puts(tmp);
355: }
1.68 fefe 356: #endif
1.65 fefe 357: #if 0
1.61 fefe 358: char foo[10];
1.64 fefe 359: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 360: strcpy(foo,"foo");
361: strncat(foo,"barbaz",3);
362: foo[6]=0;
363: puts(foo);
1.65 fefe 364: #endif
1.115 fefe 365: #if 0
1.58 fefe 366: struct hostent * host;
367: struct in_addr i;
1.57 fefe 368:
1.131 fefe 369: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 370:
1.58 fefe 371: if (!host)
372: printf("host null\n");
1.57 fefe 373:
1.58 fefe 374: if (host && host->h_name) {
375: printf("name %s\n", host->h_name);
376: }
377: if (host && (host->h_addr_list)[0]) {
378: struct in_addr address;
379: address = *((struct in_addr *) (host->h_addr_list)[0]);
380: printf("addr %s\n", inet_ntoa(address));
381: }
1.59 fefe 382: #endif
1.57 fefe 383: #if 0
1.56 fefe 384: struct msgbuf bla;
385: bla.mtype=0;
386: bla.mtext[0]='x';
387: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 388: #endif
1.55 fefe 389: #if 0
1.54 fefe 390: char buf[PATH_MAX];
391: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 392: #endif
1.73 fefe 393: #if 0
1.53 fefe 394: regex_t t;
1.68 fefe 395: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 396: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 397: #endif
1.53 fefe 398: #if 0
1.52 fefe 399: float my_float = 9.2334;
400: char buffer[100];
401:
402: sprintf(buffer, "%.2f", my_float);
403: fprintf(stdout, "%s", buffer);
1.53 fefe 404: #endif
1.52 fefe 405: #if 0
1.51 fefe 406: printf("%d\n",setenv("foo","bar",0));
407: printf("%d\n",setenv("foo","bar",1));
408: execlp("printenv","printenv","foo",0);
1.52 fefe 409: #endif
1.106 fefe 410: #if 0
1.59 fefe 411: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 412: if (!fnmatch("s*", "sub", 0))
413: printf("s* sub\n");
414: if (!fnmatch("s*", "glob", 0))
415: printf("s* glob\n");
416: if (!fnmatch("s*b", "sub", 0))
417: printf("s*b sub\n");
418: if (!fnmatch("s*h", "sub", 0))
419: printf("s*h sub\n");
1.51 fefe 420: #endif
1.49 fefe 421: #if 0
1.48 fefe 422: char*tmp;
423: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
424: write(1,tmp,n);
425: free(tmp);
1.49 fefe 426: #endif
1.41 fefe 427: #if 0
1.40 fefe 428: struct passwd *p=getpwnam("leitner");
1.41 fefe 429: struct spwd *s=getspnam("leitner");
1.39 fefe 430: printf("%g\n",30.0123);
1.41 fefe 431: #endif
1.43 fefe 432: #if 0
1.42 fefe 433: initgroups("root",100);
1.43 fefe 434: #endif
1.38 fefe 435: #if 0
1.37 fefe 436: time_t t=time(0);
437: puts(asctime(localtime(&t)));
1.38 fefe 438: #endif
1.135 fefe 439: #if 0
1.134 fefe 440: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 441: if (foo)
442: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 443: #endif
1.121 fefe 444: #if 0
1.33 fefe 445: char buf[128];
1.120 fefe 446: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 447: printf("%d\n",mkstemp(buf));
1.34 fefe 448: printf("%s\n",buf);
449: unlink(buf);
1.35 fefe 450: #endif
1.33 fefe 451: #if 0
1.32 fefe 452: char buf[512]="foo";
453: strncat(buf,"barbaz",3);
454: puts(buf);
1.33 fefe 455: #endif
1.32 fefe 456: #if 0
1.31 fefe 457: time_t oink=time(0);
458: struct tm *duh=localtime(&oink);
459: strftime(buf,512,"%A %B %Y\n",duh);
460: puts(buf);
1.32 fefe 461: #endif
1.126 fefe 462: #if 0
1.28 fefe 463: struct in_addr bar;
464: struct hostent *foo;
1.125 fefe 465: inet_aton("160.45.10.8",&bar);
466: /* foo=gethostbyname("zeit.fu-berlin.de"); */
467: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 468: if (foo)
469: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 470: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 471: #endif
1.18 fefe 472: #if 0
1.17 fefe 473: double d=0.0;
474: long long t=0x12345678ABCDEF01;
475: d/=0.0;
476: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 477: #endif
1.17 fefe 478: #if 0
1.16 fefe 479: int i,j;
480: long a,b,c;
481: int *res;
482: printf("%p\n",malloc(0));
483: qsort(array,2,sizeof(int),compint);
484: for (i=0; i<SIZE; ++i)
485: array[i]=rand();
486: rdtscl(a);
487: qsort(array,SIZE,sizeof(int),compint);
488: rdtscl(b);
489: j=array[LOOKFOR];
490: res=bsearch(&j,array,SIZE,sizeof(int),compint);
491: rdtscl(c);
492: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
493: for (i=0; i<SIZE-1; ++i)
494: if (array[i]>array[i+1]) {
495: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
496: return 1;
497: }
498: if (*res!=j)
499: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
500: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 501: #endif
1.13 fefe 502: #if 0
1.12 fefe 503: struct in_addr duh;
504: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
505: printf("%x\n",duh.s_addr);
1.13 fefe 506: #endif
1.12 fefe 507: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 508: #if 0
1.10 fefe 509: char buf[100];
510: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
511: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 512: #endif
1.9 fefe 513: #if 0
1.7 fefe 514: struct tm duh;
515: time_t t;
1.8 fefe 516: time(&t);
517: gmtime_r(&t,&duh);
518: printf("%s\n",asctime(&duh));
1.9 fefe 519: #endif
1.8 fefe 520: #if 0
1.7 fefe 521: char buf[30];
522: duh.tm_sec=42;
523: duh.tm_min=23;
524: duh.tm_hour=17;
525: duh.tm_mday=2;
526: duh.tm_mon=7;
527: duh.tm_year=100;
528: t=mktime(&duh);
529: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 530: #endif
1.2 fefe 531: #if 0
1.1 cvs 532: int i;
533: for (i=0; i<5; i++) {
534: fprintf(stdout,"first message\n");
535: fprintf(stdout,"second message\n");
536: fprintf(stdout,"third message\n");
537: printf("foo %d\n",i);
538: }
1.2 fefe 539: #endif
1.1 cvs 540: #if 0
541: char buf[1024];
542: sscanf("foo bar","%s",buf);
543: printf("%s\n",buf);
544: #endif
545: #if 0
546: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
547: perror("mount");
548: #endif
549: #if 0
550: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
551: int i=strtol(t+1,&t,10);
552: printf("%d %s\n",i,t);
553: #endif
554: #if 0
555: char **tmp;
1.115 fefe 556: putenv("A=foo");
1.1 cvs 557: for (tmp=environ; *tmp; tmp++)
558: puts(*tmp);
559: #endif
560: #if 0
561: char buf[1024];
562: printf("%d\n",fprintf(stderr,"duh\n"));
563: #endif
564: #if 0
565: struct passwd *p=getpwuid(100);
566: puts(p->pw_name);
567: #endif
568: #if 0
569: int pid;
570: char name[32];
571: sscanf("1 (init","%d (%15c",&pid,name);
572: printf("pid %d name %s\n",pid,name);
573: #endif
1.109 fefe 574: #if 0
1.1 cvs 575: DIR *d=opendir("/proc");
576: if (d) {
577: struct dirent *D;
578: while (D=readdir(d))
579: puts(D->d_name);
580: closedir(d);
581: }
582: #endif
583: #if 0
584: char buf[1024];
585: int fd=open("/etc/passwd",0);
586: pread(fd,buf,30,32);
587: close(fd);
588: write(1,buf,32);
589: #endif
590: #if 0
591: char *argv[] = {"echo","foo",0};
592: char buf[100];
593: buf[5]='x';
594: sprintf(buf,"foo\n");
595: if (buf[5] == 'x')
596: exit(0);
597: else
598: exit(1);
599: execvp(argv[0],argv);
600: #endif
1.10 fefe 601: #if 0
1.1 cvs 602: struct stat64 f;
603: char buf[128];
604: fstat64(0,&f);
605: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
606: return 0;
607: #endif
608: #if 0
609: FILE *f=fopen("foo","w");
610: fputc('a',f);
611: fputc('b',f);
612: fputc('c',f);
613: #endif
614: /* fprintf(stdout,"foo\n"); */
615: }
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