Annotation of dietlibc/t.c, revision 1.139
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:
1.139 ! fefe 79: void foo(int tmp,...) {
! 80: long long l;
! 81: va_list va;
! 82: va_start(va,tmp);
! 83: l=va_arg(va,long long);
! 84: if (l!=-1) write(2,"kaputt\n",7);
! 85: }
! 86:
! 87: extern int __lltostr(char *s, int size, unsigned long long i, int base, char UpCase);
! 88:
1.97 fefe 89: int main(int argc,char *argv[]) {
1.139 ! fefe 90: char buf[100];
! 91: printf("%d\n",__lltostr(buf,30,-1ll,10,0));
! 92: puts(buf);
! 93: #if 1
! 94: printf("%lld\n",-1ll);
! 95: #endif
1.138 fefe 96: #if 0
1.139 ! fefe 97: char *str="e";
! 98: setbuf(stdout,0);
! 99: printf("foo\n");
! 100: fputc(toupper(*str++),stdout);
! 101: printf("bar\n");
1.138 fefe 102: #endif
1.137 fefe 103: #if 0
1.136 fefe 104: fwrite("foobar",6,1,stdout);
1.137 fefe 105: #endif
1.136 fefe 106: #if 0
1.135 fefe 107: char x[5];
108: x[4]='x';
109: fgets(x,4,stdin);
110: puts(x);
111: printf("%c\n",x[4]);
1.136 fefe 112: #endif
1.134 fefe 113: #if 0
1.133 fefe 114: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
115: char* want[]={"/usr","/",".","/",".","."};
116: int i;
117: for (i=0; i<6; ++i) {
118: printf("%s\t%s\t%s\n",paths[i],want[i],dirname(strdup(paths[i])));
119: }
1.134 fefe 120: #endif
1.133 fefe 121: #if 0
122: char* paths[]={"/usr/lib","/usr/","usr","/",".",".."};
123: char* want[]={"lib","usr","usr","/",".",".."};
124: int i;
125: for (i=0; i<6; ++i) {
126: printf("%s\t%s\t%s\n",paths[i],want[i],basename(strdup(paths[i])));
127: }
128: #endif
129: #if 0
1.132 fefe 130: int i;
131: for (i=0; i<255; ++i) {
132: int a=isalpha(i);
133: int b=(i>='a' && i<='z') || (i>='A' && i<='Z');
134: if (a!=b) printf("%d: %d %d\n",i,a,b);
135: }
1.133 fefe 136: #endif
1.131 fefe 137: #if 0
1.130 fefe 138: char* name;
139: int ptyfd,ttyfd;
140: int i=openpty(&ptyfd,&ttyfd,0,0,0);
141: if (i<0) perror("openpty");
142: printf("%d %d\n",ptyfd,ttyfd);
143: printf("%s %s\n",ttyname(ptyfd),ttyname(ttyfd));
1.131 fefe 144: #endif
1.129 fefe 145: #if 0
146: printf("0x%8.7lx\n",0xfefe);
147: #endif
148: #if 0
1.128 fefe 149: puts(ttyname(0));
1.129 fefe 150: #endif
1.125 fefe 151: #if 0
152: char buf[1024];
153: struct hostent* r;
154: while (r=gethostent_r(buf,1024)) {
155: if (r && r->h_name) {
156: printf("name %s\n", r->h_name);
157: }
158: if (r && (r->h_addr_list)[0]) {
159: struct in_addr address;
160: address = *((struct in_addr *) (r->h_addr_list)[0]);
161: printf("addr %s\n", inet_ntoa(address));
162: }
163: }
164: #endif
165: #if 0
1.124 fefe 166: char *tmp;
167: printf("%lu\n",strtol("0xf0000000",&tmp,0));
1.125 fefe 168: #endif
1.128 fefe 169: #if 0
1.123 fefe 170: struct mntent* me;
1.127 fefe 171: FILE* f=fopen("/etc/fstab","r");
1.123 fefe 172: while (me=getmntent(f)) {
1.139 ! fefe 173: printf("%s\n",hasmntopt(me,"defaults"));
1.123 fefe 174: 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);
1.139 ! fefe 175: break;
1.123 fefe 176: }
1.124 fefe 177: #endif
1.123 fefe 178: #if 0
179: char *tmp;
180: printf("%x\n",strtol("0Xffff",&tmp,16));
181: #endif
1.122 fefe 182: // putchar('c');
183: // write(1,"fnord\n",6);
1.132 fefe 184: #if 0
1.121 fefe 185: struct addrinfo *ai;
1.131 fefe 186: getaddrinfo("nagus","22",0,&ai);
1.121 fefe 187: #endif
1.122 fefe 188: #if 0
1.121 fefe 189: struct hostent host,*res;
190: char buf[4096];
191: int fnord;
192:
1.131 fefe 193: gethostbyname2_r("nagus",AF_INET,&host,buf,4096,&res,&fnord);
1.122 fefe 194: #endif
1.121 fefe 195: #if 0
1.119 fefe 196: char buf[128];
1.120 fefe 197: strcpy(buf,"/tmp/fnord/foo.XXXXXXX");
1.119 fefe 198: printf("%d\n",mkdtemp(buf));
199: printf("%s\n",buf);
1.120 fefe 200: #endif
1.119 fefe 201: #if 0
1.118 fefe 202: printf("%d\n",WEXITSTATUS(system("exit 17")));
1.119 fefe 203: #endif
1.113 fefe 204: #if 0
1.109 fefe 205: fnord("fnord","foo\n","bar\n",0);
1.112 fefe 206: assert(0);
1.113 fefe 207: #endif
1.105 fefe 208: #if 0
209: printf("%hd %hhd\n",-5,-1234567);
210: #endif
1.103 fefe 211: #if 0
1.102 fefe 212: printf("%d\n",fnmatch("*.o", "x.o", FNM_PATHNAME));
213: printf("%d\n",fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME));
1.103 fefe 214: #endif
1.102 fefe 215: #if 0
1.101 fefe 216: char buf[1024];
217: int len;
218: len=res_search("fu-berlin.de",ns_c_in,ns_t_ns,buf,sizeof(buf));
1.102 fefe 219: #endif
1.114 fefe 220: #if 0
1.100 fefe 221: regex_t t;
222: regmatch_t rm;
1.103 fefe 223: // regcomp(&t,"^ *read",0);
1.113 fefe 224: regcomp(&t,"\\<foo\\>",0);
225: printf("%d\n",regexec(&t," blub foo,",1,&rm,0));
1.100 fefe 226: printf("ofs %d\n",rm.rm_so);
1.101 fefe 227: #endif
1.100 fefe 228: #if 0
1.98 fefe 229: char buf[100];
1.99 fefe 230: printf("%d\n",fread(buf,1,0,stdin));
1.100 fefe 231: #endif
1.99 fefe 232: #if 0
233: char buf[100];
1.98 fefe 234: memset(buf,17,100);
235: buf[0]=0;
236: strncat(buf,"foobarbaz23",10);
237: puts(buf);
1.99 fefe 238: #endif
1.98 fefe 239: #if 0
1.97 fefe 240: int aflag = 0;
241: int bflag = 0;
242: char *cvalue = NULL;
243: int index;
244: int c;
245:
246: opterr = 1;
247:
248: while ((c = getopt (argc, argv, "abc:")) != -1)
249: switch (c)
250: {
251: case 'a':
252: aflag = 1;
253: break;
254: case 'b':
255: bflag = 1;
256: break;
257: case 'c':
258: cvalue = optarg;
259: break;
260: case '?':
261: if (isprint (optopt))
262: fprintf (stderr, "Unknown option `-%c'.\n", optopt);
263: else
264: fprintf (stderr,
265: "Unknown option character `\\x%x'.\n",
266: optopt);
267: return 1;
268: default:
269: abort ();
270: }
1.96 fefe 271:
1.97 fefe 272: printf ("aflag = %d, bflag = %d, cvalue = %s\n",
273: aflag, bflag, cvalue);
274:
275: for (index = optind; index < argc; index++)
276: printf ("Non-option argument %s\n", argv[index]);
277: return 0;
1.98 fefe 278: #endif
1.97 fefe 279: #if 0
1.96 fefe 280: char *t="foobar";
281: char *c;
282: char buf[1000];
283: puts(strcat(strcpy(buf,"HOME="),t));
1.97 fefe 284: #endif
1.89 fefe 285: #if 0
286: struct netent* n=getnetbyname("loopback");
287: printf("%s %s\n",n->n_name,inet_ntoa(*(struct in_addr*)&n->n_net));
288: #endif
289: #if 0
1.88 fefe 290: fprintf(stdout,"foo\n");
291: sleep(1);
292: fprintf(stdout,"bar");
293: fprintf(stderr,"blonk");
294: sleep(1);
295: fprintf(stdout,"\rbz");
296: sleep(1);
297: fprintf(stdout,"\n");
298: sleep(1);
1.89 fefe 299: #endif
1.87 fefe 300: #if 0
1.86 fefe 301: sigset_t s; /* sigsetops */
302:
303: sigemptyset(&s);
304: sigaddset(&s,SIGCHLD);
305: sigaddset(&s,SIGHUP);
306: sigsuspend(&s);
1.87 fefe 307: #endif
1.85 fefe 308: #if 0
1.84 fefe 309: char buf[1024];
310: FILE *f=popen("uname -srm","r");
311: fgets(buf,1023,f);
312: pclose(f);
313: write(1,buf,strlen(buf));
1.85 fefe 314: #endif
1.84 fefe 315: #if 0
1.82 fefe 316: char type[64];
1.83 fefe 317: char filename[256];
318: int major,minor;
1.82 fefe 319: int len;
1.83 fefe 320: printf("%d\n",sscanf("GET / HTTP/1.0\r\n","%4[A-Z] %255[^ \t\r\n] HTTP/%d.%d",type,filename,&major,&minor));
321: printf("%s %s %d %d\n",type,filename,major,minor);
1.84 fefe 322: #endif
1.82 fefe 323: #if 0
1.81 fefe 324: char buf[100];
325: char ip[16];
326: memset(ip,0,16);
327: printf("%p %p\n",inet_ntop(AF_INET6,ip,buf,100),buf);
328: puts(buf);
1.82 fefe 329: #endif
1.127 fefe 330: #if 0
1.76 fefe 331: struct addrinfo *ai;
1.78 fefe 332: struct addrinfo hints;
1.79 fefe 333: char buf[16];
1.78 fefe 334: hints.ai_family = AF_UNSPEC;
1.79 fefe 335: hints.ai_flags = AI_PASSIVE|AI_CANONNAME;
1.78 fefe 336: hints.ai_socktype = SOCK_STREAM;
1.126 fefe 337: printf("%d\n",getaddrinfo("xorn.continuum.local","ssh",0,&ai));
1.76 fefe 338: while (ai) {
339: printf("found host %s, port %d, family %s, socktype %s\n",ai->ai_canonname,
340: ntohs(ai->ai_family==AF_INET6?((struct sockaddr_in6*)ai->ai_addr)->sin6_port:
341: ((struct sockaddr_in*)ai->ai_addr)->sin_port),
342: ai->ai_family==AF_INET6?"PF_INET6":"PF_INET",
343: ai->ai_socktype==SOCK_STREAM?"SOCK_STREAM":"SOCK_DGRAM");
1.80 fefe 344: {
345: char buf[100];
346: inet_ntop(ai->ai_family,ai->ai_family==AF_INET6?
347: (char*)&(((struct sockaddr_in6*)ai->ai_addr)->sin6_addr):
348: (char*)&(((struct sockaddr_in*)ai->ai_addr)->sin_addr),buf,100);
349: printf(" %s\n",buf);
350: }
1.76 fefe 351: ai=ai->ai_next;
352: }
1.81 fefe 353: #endif
1.76 fefe 354: #if 0
1.71 fefe 355: int i=foo;
1.75 fefe 356: printf("load average is %3.2f\n",0.0);
1.76 fefe 357: #endif
1.70 fefe 358: #if 0
1.69 fefe 359: struct dirent **namelist;
360: int n;
1.16 fefe 361:
1.69 fefe 362: n = scandir(".", &namelist, 0, alphasort);
363: if (n < 0)
364: perror("scandir");
365: else {
366: while(n--) {
367: printf("%s\n", namelist[n]->d_name);
368: free(namelist[n]);
369: }
370: free(namelist);
371: }
1.70 fefe 372: #endif
1.68 fefe 373: #if 0
1.67 fefe 374: char foo[10]="none,zlib";
375: char *tmp,*tmp2=foo;
376: while (tmp=strsep(&tmp2,",")) {
377: puts(tmp);
378: }
1.68 fefe 379: #endif
1.65 fefe 380: #if 0
1.61 fefe 381: char foo[10];
1.64 fefe 382: printf("%d %d\n",abs(-3),abs(23));
1.63 fefe 383: strcpy(foo,"foo");
384: strncat(foo,"barbaz",3);
385: foo[6]=0;
386: puts(foo);
1.65 fefe 387: #endif
1.115 fefe 388: #if 0
1.58 fefe 389: struct hostent * host;
390: struct in_addr i;
1.57 fefe 391:
1.131 fefe 392: host = gethostbyname2("nagus",AF_INET);
1.57 fefe 393:
1.58 fefe 394: if (!host)
395: printf("host null\n");
1.57 fefe 396:
1.58 fefe 397: if (host && host->h_name) {
398: printf("name %s\n", host->h_name);
399: }
400: if (host && (host->h_addr_list)[0]) {
401: struct in_addr address;
402: address = *((struct in_addr *) (host->h_addr_list)[0]);
403: printf("addr %s\n", inet_ntoa(address));
404: }
1.59 fefe 405: #endif
1.57 fefe 406: #if 0
1.56 fefe 407: struct msgbuf bla;
408: bla.mtype=0;
409: bla.mtext[0]='x';
410: msgsnd(327680,&bla,5,IPC_NOWAIT);
1.57 fefe 411: #endif
1.55 fefe 412: #if 0
1.54 fefe 413: char buf[PATH_MAX];
414: printf("%s\n",realpath("../../incoming/..///.zshrc",buf));
1.55 fefe 415: #endif
1.73 fefe 416: #if 0
1.53 fefe 417: regex_t t;
1.68 fefe 418: regcomp(&t,"^OpenSSH_2\\.5\\.[012]",5);
1.65 fefe 419: printf("%d\n",regexec(&t,"OpenSSH_2.5.2p2",0,0,0));
1.56 fefe 420: #endif
1.53 fefe 421: #if 0
1.52 fefe 422: float my_float = 9.2334;
423: char buffer[100];
424:
425: sprintf(buffer, "%.2f", my_float);
426: fprintf(stdout, "%s", buffer);
1.53 fefe 427: #endif
1.52 fefe 428: #if 0
1.51 fefe 429: printf("%d\n",setenv("foo","bar",0));
430: printf("%d\n",setenv("foo","bar",1));
431: execlp("printenv","printenv","foo",0);
1.52 fefe 432: #endif
1.106 fefe 433: #if 0
1.59 fefe 434: printf("%d\n",fnmatch("*c*","bin",0));
1.50 fefe 435: if (!fnmatch("s*", "sub", 0))
436: printf("s* sub\n");
437: if (!fnmatch("s*", "glob", 0))
438: printf("s* glob\n");
439: if (!fnmatch("s*b", "sub", 0))
440: printf("s*b sub\n");
441: if (!fnmatch("s*h", "sub", 0))
442: printf("s*h sub\n");
1.51 fefe 443: #endif
1.49 fefe 444: #if 0
1.48 fefe 445: char*tmp;
446: int n=asprintf(&tmp,"foo %s %d\n","bar",23);
447: write(1,tmp,n);
448: free(tmp);
1.49 fefe 449: #endif
1.41 fefe 450: #if 0
1.40 fefe 451: struct passwd *p=getpwnam("leitner");
1.41 fefe 452: struct spwd *s=getspnam("leitner");
1.39 fefe 453: printf("%g\n",30.0123);
1.41 fefe 454: #endif
1.43 fefe 455: #if 0
1.42 fefe 456: initgroups("root",100);
1.43 fefe 457: #endif
1.38 fefe 458: #if 0
1.37 fefe 459: time_t t=time(0);
460: puts(asctime(localtime(&t)));
1.38 fefe 461: #endif
1.135 fefe 462: #if 0
1.134 fefe 463: struct servent *foo=getservbyname("pop-3","tcp");
1.36 fefe 464: if (foo)
465: printf("found service %s on port %d\n",foo->s_name,foo->s_port);
1.37 fefe 466: #endif
1.121 fefe 467: #if 0
1.33 fefe 468: char buf[128];
1.120 fefe 469: strcpy(buf,"/tmp/blub/foo.XXXXXXX");
1.33 fefe 470: printf("%d\n",mkstemp(buf));
1.34 fefe 471: printf("%s\n",buf);
472: unlink(buf);
1.35 fefe 473: #endif
1.33 fefe 474: #if 0
1.32 fefe 475: char buf[512]="foo";
476: strncat(buf,"barbaz",3);
477: puts(buf);
1.33 fefe 478: #endif
1.32 fefe 479: #if 0
1.31 fefe 480: time_t oink=time(0);
481: struct tm *duh=localtime(&oink);
482: strftime(buf,512,"%A %B %Y\n",duh);
483: puts(buf);
1.32 fefe 484: #endif
1.126 fefe 485: #if 0
1.28 fefe 486: struct in_addr bar;
487: struct hostent *foo;
1.125 fefe 488: inet_aton("160.45.10.8",&bar);
489: /* foo=gethostbyname("zeit.fu-berlin.de"); */
490: foo=gethostbyaddr(&bar,4,AF_INET);
1.30 fefe 491: if (foo)
492: printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr));
1.22 fefe 493: /* printf("%g %g\n",1e-10,1e10); */
1.31 fefe 494: #endif
1.18 fefe 495: #if 0
1.17 fefe 496: double d=0.0;
497: long long t=0x12345678ABCDEF01;
498: d/=0.0;
499: printf("%d %llx\n",__isnan(d),t,*(long long*)&d);
1.18 fefe 500: #endif
1.17 fefe 501: #if 0
1.16 fefe 502: int i,j;
503: long a,b,c;
504: int *res;
505: printf("%p\n",malloc(0));
506: qsort(array,2,sizeof(int),compint);
507: for (i=0; i<SIZE; ++i)
508: array[i]=rand();
509: rdtscl(a);
510: qsort(array,SIZE,sizeof(int),compint);
511: rdtscl(b);
512: j=array[LOOKFOR];
513: res=bsearch(&j,array,SIZE,sizeof(int),compint);
514: rdtscl(c);
515: printf("%lu cycles sort, %lu cycles bsearch\n",b-a,c-b);
516: for (i=0; i<SIZE-1; ++i)
517: if (array[i]>array[i+1]) {
518: printf("qsort does not work, index %d: %d > %d\n",i,array[i],array[i+1]);
519: return 1;
520: }
521: if (*res!=j)
522: printf("besearch does not work, returned %p (%d) instead of %p (%d)\n",res,res?*res:-1,array+LOOKFOR,j);
523: /* printf("array={%d,%d,%d,%d,%d}\n",array[0],array[1],array[2],array[3],array[4]); */
1.17 fefe 524: #endif
1.13 fefe 525: #if 0
1.12 fefe 526: struct in_addr duh;
527: printf("%d\n",inet_aton(argv[1]?argv[1]:"10.0.0.1",&duh));
528: printf("%x\n",duh.s_addr);
1.13 fefe 529: #endif
1.12 fefe 530: /* printf("%-19s %10lu %9lu %9lu %3d%% %s\n","/dev/ide/host0/bus0/target0/lun0/part2",8393688,705683,1337084,85,"/"); */
1.11 fefe 531: #if 0
1.10 fefe 532: char buf[100];
533: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
534: fgets(buf,100,stdin); printf("got %d bytes\n",strlen(buf));
1.11 fefe 535: #endif
1.9 fefe 536: #if 0
1.7 fefe 537: struct tm duh;
538: time_t t;
1.8 fefe 539: time(&t);
540: gmtime_r(&t,&duh);
541: printf("%s\n",asctime(&duh));
1.9 fefe 542: #endif
1.8 fefe 543: #if 0
1.7 fefe 544: char buf[30];
545: duh.tm_sec=42;
546: duh.tm_min=23;
547: duh.tm_hour=17;
548: duh.tm_mday=2;
549: duh.tm_mon=7;
550: duh.tm_year=100;
551: t=mktime(&duh);
552: printf("%s\n",asctime_r(&duh,buf));
1.8 fefe 553: #endif
1.2 fefe 554: #if 0
1.1 cvs 555: int i;
556: for (i=0; i<5; i++) {
557: fprintf(stdout,"first message\n");
558: fprintf(stdout,"second message\n");
559: fprintf(stdout,"third message\n");
560: printf("foo %d\n",i);
561: }
1.2 fefe 562: #endif
1.1 cvs 563: #if 0
564: char buf[1024];
565: sscanf("foo bar","%s",buf);
566: printf("%s\n",buf);
567: #endif
568: #if 0
569: mount("/dev/scsi/host0/bus0/target2/lun0/cd", "/cd", "iso9660", MS_MGC_VAL|MS_RDONLY, NULL);
570: perror("mount");
571: #endif
572: #if 0
573: char *t="<4>Linux version 2.4.0-test10 (leitner@hellhound) (gcc version 2.95.2 19991024 (release))";
574: int i=strtol(t+1,&t,10);
575: printf("%d %s\n",i,t);
576: #endif
577: #if 0
578: char **tmp;
1.115 fefe 579: putenv("A=foo");
1.1 cvs 580: for (tmp=environ; *tmp; tmp++)
581: puts(*tmp);
582: #endif
583: #if 0
584: char buf[1024];
585: printf("%d\n",fprintf(stderr,"duh\n"));
586: #endif
587: #if 0
588: struct passwd *p=getpwuid(100);
589: puts(p->pw_name);
590: #endif
591: #if 0
592: int pid;
593: char name[32];
594: sscanf("1 (init","%d (%15c",&pid,name);
595: printf("pid %d name %s\n",pid,name);
596: #endif
1.109 fefe 597: #if 0
1.1 cvs 598: DIR *d=opendir("/proc");
599: if (d) {
600: struct dirent *D;
601: while (D=readdir(d))
602: puts(D->d_name);
603: closedir(d);
604: }
605: #endif
606: #if 0
607: char buf[1024];
608: int fd=open("/etc/passwd",0);
609: pread(fd,buf,30,32);
610: close(fd);
611: write(1,buf,32);
612: #endif
613: #if 0
614: char *argv[] = {"echo","foo",0};
615: char buf[100];
616: buf[5]='x';
617: sprintf(buf,"foo\n");
618: if (buf[5] == 'x')
619: exit(0);
620: else
621: exit(1);
622: execvp(argv[0],argv);
623: #endif
1.10 fefe 624: #if 0
1.1 cvs 625: struct stat64 f;
626: char buf[128];
627: fstat64(0,&f);
628: fprintf(stderr,"%d %d\n",f.st_size,sizeof(f));
629: return 0;
630: #endif
631: #if 0
632: FILE *f=fopen("foo","w");
633: fputc('a',f);
634: fputc('b',f);
635: fputc('c',f);
636: #endif
637: /* fprintf(stdout,"foo\n"); */
638: }
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