自学教程：C++ tolower函数代码示例

static void read_data (FILE *fp)/* ------------------------------------------------------------------------- * * Read in data files.  If NZ > 1, it is assumed that data are in the file * in plane-by-plane order.  For each plane, the ordering of data varies * depending on whether the file is in ASCII or binary format: for ASCII, the * fields are in column order, element-by-element (row-major), whereas for * binary formats the fields are written in the file sequentially. * * Automatic conversion between little- and big-endian binary formats. * ------------------------------------------------------------------------- */{  int  i, m, n, nplane;  int  nr_chk, ns_chk, nz_chk, nel_chk;  char buf[STR_MAX], *c;    /* -- Read the header down to the field list, check size of input. */  for (n = 0; n < 3; n++) fgets(buf, STR_MAX, fp);  if (sscanf (buf, "%d%d%d%d", &nr_chk, &ns_chk, &nz_chk, &nel_chk) != 4) {    fputs ("error while reading mesh/n", stderr);    exit  (EXIT_FAILURE);  }  if (nr != nr_chk || ns != ns_chk || nel != nel_chk) {    fputs ("2D structure of mesh and field file do not agree/n", stderr);    exit (EXIT_FAILURE);  }  for (n = 3; n < 9; n++) fgets(buf, STR_MAX, fp);  /* -- Read the list of fields. */  n       = 0;  c       = buf;  nfields = 0;  while (n++ < 25 && nfields < MAXFIELDS)     if (isalnum(*c++)) type[nfields++] = *(c-1);  if (nfields > MAXFIELDS) {    fprintf(stderr, "sem2tec: a maximum of %d fields may be converted./n", 	    MAXFIELDS);    exit(EXIT_FAILURE);  }  /* -- Allocate memory. */  nplane = nr * ns * nel;  for (n = 0; n < nfields; n++)    data[n] = (double*) malloc (nzp * nplane * sizeof (double));  /* -- Check the format. */  c = fgets(buf, STR_MAX, fp);   while (isspace(*c)) c++;  switch (tolower(*c)) {                     /* ASCII or binary read? */  case 'a':    for (m = 0; m < nz; m++)      for (i = 0; i < nplane; i++)	for (n = 0; n < nfields; n++)	  if (fscanf(fp, "%lf", data[n] + m * nplane + i) < 0) {	    fputs("sem2tec: field file (ASCII) read error/n", stderr);	    exit (EXIT_FAILURE);	  }    break;  case 'b': {    int swab, machine  = iformat();    swab = (strstr (buf, "little") && machine == 0 ||	    strstr (buf, "big"   ) && machine == 1  ) ? 1 : 0;    for (n = 0; n < nfields; n++) {      if (fread (data[n], sizeof(double), nz * nplane, fp) != nz * nplane) { fputs("sem2tec: field file (binary) read error/n", stderr);	  exit (EXIT_FAILURE);      }      if (swab) dbrev (nz * nplane, data[n], 1, data[n], 1);    }    break;  }  default:    fprintf (stderr, "sem2tec: unknown format flag: '%c'/n", *c);    exit    (EXIT_FAILURE);    break;  }}

void ObjectMgr::LoadExtraCreatureProtoStuff(){	{		StorageContainerIterator<CreatureProto> * itr = CreatureProtoStorage.MakeIterator();		CreatureProto* cn;		while(!itr->AtEnd())		{			cn = itr->Get();			// Process spell fields			for( uint32 i = 0; i < MAX_CREATURE_PROTO_SPELLS; i++ ){				if( cn->AISpells[ i ] == 0 )					continue;				SpellEntry *sp = dbcSpell.LookupEntryForced( cn->AISpells[ i ] );				if( sp == NULL )					continue;				if( ( sp->Attributes & ATTRIBUTES_PASSIVE ) == 0 )					cn->castable_spells.push_back( sp->Id );				else					cn->start_auras.insert( sp->Id );			}			// process creature spells from creaturespelldata.dbc			if( cn->spelldataid != 0 ){				CreatureSpellDataEntry* spe = dbcCreatureSpellData.LookupEntry( cn->spelldataid );				for( uint32 i = 0; i < 3; i++ ){					if( spe->Spells[ i ] == 0 )						continue;					SpellEntry *sp = dbcSpell.LookupEntryForced( spe->Spells[ i ] );					if( sp == NULL )						continue;					if( ( sp->Attributes & ATTRIBUTES_PASSIVE ) == 0 )						cn->castable_spells.push_back( sp->Id );					else						cn->start_auras.insert( sp->Id );				}			}			if(cn->aura_string)			{				string auras = string(cn->aura_string);				vector<string> aurs = StrSplit(auras, " ");				for(vector<string>::iterator it = aurs.begin(); it != aurs.end(); ++it)				{					uint32 id = atol((*it).c_str());					if(id)						cn->start_auras.insert(id);				}			}			if(!cn->MinHealth)				cn->MinHealth = 1;			if(!cn->MaxHealth)				cn->MaxHealth = 1;			if(cn->AttackType > SCHOOL_ARCANE)				cn->AttackType = SCHOOL_NORMAL;			cn->m_canFlee = cn->m_canRangedAttack = cn->m_canCallForHelp = false;			cn->m_fleeHealth = 0.0f;			// please.... m_fleeDuration is a uint32...			//cn->m_fleeDuration = 0.0f;			cn->m_fleeDuration = 0;			if(!itr->Inc())				break;		}		itr->Destruct();	}	{		StorageContainerIterator<CreatureInfo> * itr = CreatureNameStorage.MakeIterator();		CreatureInfo* ci;		while(!itr->AtEnd())		{			ci = itr->Get();			ci->lowercase_name = string(ci->Name);			for(uint32 j = 0; j < ci->lowercase_name.length(); ++j)				ci->lowercase_name[j] = static_cast<char>(tolower(ci->lowercase_name[j]));   // Darvaleo 2008/08/15 - Copied lowercase conversion logic from ItemPrototype task			for(int i = 0; i < NUM_MONSTER_SAY_EVENTS; i++)				ci->MonsterSay[i] = objmgr.HasMonsterSay(ci->Id, MONSTER_SAY_EVENTS(i));			if(!itr->Inc())				break;		}		itr->Destruct();	}	// Load AI Agents	if(Config.MainConfig.GetBoolDefault("Server", "LoadAIAgents", true))	{		QueryResult* result = WorldDatabase.Query("SELECT * FROM ai_agents");		CreatureProto* cn;//.........这里部分代码省略.........

static int conntrack_parse(int c, char **argv, int invert, unsigned int *flags,                           const void *entry, struct xt_entry_match **match){	struct xt_conntrack_info *sinfo = (void *)(*match)->data;	char *protocol = NULL;	unsigned int naddrs = 0;	struct in_addr *addrs = NULL;	switch (c) {	case '1':		xtables_check_inverse(optarg, &invert, &optind, 0);		parse_states(argv[optind-1], sinfo);		if (invert) {			sinfo->invflags |= XT_CONNTRACK_STATE;		}		sinfo->flags |= XT_CONNTRACK_STATE;		break;	case '2':		xtables_check_inverse(optarg, &invert, &optind, 0);		if(invert)			sinfo->invflags |= XT_CONNTRACK_PROTO;		/* Canonicalize into lower case */		for (protocol = argv[optind-1]; *protocol; protocol++)			*protocol = tolower(*protocol);		protocol = argv[optind-1];		sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.protonum =			xtables_parse_protocol(protocol);		if (sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.protonum == 0		    && (sinfo->invflags & XT_INV_PROTO))			xtables_error(PARAMETER_PROBLEM,				   "rule would never match protocol");		sinfo->flags |= XT_CONNTRACK_PROTO;		break;	case '3':		xtables_check_inverse(optarg, &invert, &optind, 0);		if (invert)			sinfo->invflags |= XT_CONNTRACK_ORIGSRC;		xtables_ipparse_any(argv[optind-1], &addrs,					&sinfo->sipmsk[IP_CT_DIR_ORIGINAL],					&naddrs);		if(naddrs > 1)			xtables_error(PARAMETER_PROBLEM,				"multiple IP addresses not allowed");		if(naddrs == 1) {			sinfo->tuple[IP_CT_DIR_ORIGINAL].src.ip = addrs[0].s_addr;		}		sinfo->flags |= XT_CONNTRACK_ORIGSRC;		break;	case '4':		xtables_check_inverse(optarg, &invert, &optind, 0);		if (invert)			sinfo->invflags |= XT_CONNTRACK_ORIGDST;		xtables_ipparse_any(argv[optind-1], &addrs,					&sinfo->dipmsk[IP_CT_DIR_ORIGINAL],					&naddrs);		if(naddrs > 1)			xtables_error(PARAMETER_PROBLEM,				"multiple IP addresses not allowed");		if(naddrs == 1) {			sinfo->tuple[IP_CT_DIR_ORIGINAL].dst.ip = addrs[0].s_addr;		}		sinfo->flags |= XT_CONNTRACK_ORIGDST;		break;	case '5':		xtables_check_inverse(optarg, &invert, &optind, 0);		if (invert)			sinfo->invflags |= XT_CONNTRACK_REPLSRC;		xtables_ipparse_any(argv[optind-1], &addrs,					&sinfo->sipmsk[IP_CT_DIR_REPLY],					&naddrs);		if(naddrs > 1)			xtables_error(PARAMETER_PROBLEM,				"multiple IP addresses not allowed");		if(naddrs == 1) {			sinfo->tuple[IP_CT_DIR_REPLY].src.ip = addrs[0].s_addr;		}		sinfo->flags |= XT_CONNTRACK_REPLSRC;//.........这里部分代码省略.........

std::string get_codec_name(AVCodecContext *pCodecCtx){  AVCodecID id = pCodecCtx->codec_id;  // Grab the codec  const AVCodec *p = avcodec_find_decoder(id);  const AVCodecDescriptor *desc = avcodec_descriptor_get(id);  const char *profile = avcodec_profile_name(id, pCodecCtx->profile);  std::ostringstream codec_name;  const char *nice_name = nullptr;  for (int i = 0; i < countof(nice_codec_names); ++i)  {    if (nice_codec_names[i].id == id) {      nice_name = nice_codec_names[i].name;      break;    }  }  if (id == AV_CODEC_ID_DTS && pCodecCtx->codec_tag == 0xA2) {    profile = "DTS Express";  }  if (id == AV_CODEC_ID_H264 && profile) {    codec_name << nice_name << " " << tolower(profile);    if (pCodecCtx->level && pCodecCtx->level != FF_LEVEL_UNKNOWN && pCodecCtx->level < 1000) {      char l_buf[5];      sprintf_s(l_buf, "%.1f", pCodecCtx->level / 10.0);      codec_name << " L" << l_buf;    }  } else if (id == AV_CODEC_ID_VC1 && profile) {    codec_name << nice_name << " " << tolower(profile);    if (pCodecCtx->level != FF_LEVEL_UNKNOWN) {      codec_name << " L" << pCodecCtx->level;    }  } else if (id == AV_CODEC_ID_DTS && profile) {    codec_name << tolower(profile);  } else if (id == AV_CODEC_ID_JPEG2000 && profile) {    codec_name << tolower(profile);  } else if (nice_name) {    codec_name << nice_name;    if (profile)      codec_name << " " << tolower(profile);  } else if (desc && desc->name) {    codec_name << desc->name;    if (profile)      codec_name << " " << tolower(profile);  } else if (p && p->name) {    codec_name << p->name;    if (profile)      codec_name << " " << tolower(profile);  } else {    /* output avi tags */    char buf[32];    av_get_codec_tag_string(buf, sizeof(buf), pCodecCtx->codec_tag);    codec_name << buf;    sprintf_s(buf, "0x%04X", pCodecCtx->codec_tag);    codec_name  << " / " << buf;  }  return codec_name.str();}

VOID__cdeclmain(    _In_ int argc,    _In_z_ char *argv[]    ){    BOOL status = 0;    DWORD accessMode = 0, shareMode = 0;    HANDLE fileHandle = NULL;    ULONG alignmentMask = 0; // default == no alignment requirement    UCHAR srbType = 0; // default == SRB_TYPE_SCSI_REQUEST_BLOCK    PUCHAR dataBuffer = NULL;    PUCHAR pUnAlignedBuffer = NULL;    SCSI_PASS_THROUGH_WITH_BUFFERS sptwb;    SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER sptdwb;    SCSI_PASS_THROUGH_WITH_BUFFERS_EX sptwb_ex;    SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER_EX sptdwb_ex;    CHAR string[NAME_COUNT];    ULONG length = 0,          errorCode = 0,          returned = 0,          sectorSize = 512;    if ((argc < 2) || (argc > 3)) {       printf("Usage:  %s <port-name> [-mode]/n", argv[0] );       printf("Examples:/n");       printf("    spti g:       (open the disk class driver in SHARED READ/WRITE mode)/n");       printf("    spti Scsi2:   (open the miniport driver for the 3rd host adapter)/n");       printf("    spti Tape0 w  (open the tape class driver in SHARED WRITE mode)/n");       printf("    spti i: c     (open the CD-ROM class driver in SHARED READ mode)/n");       return;    }    StringCbPrintf(string, sizeof(string), "////.//%s", argv[1]);    shareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;  // default    accessMode = GENERIC_WRITE | GENERIC_READ;       // default    if (argc == 3) {        switch(tolower(argv[2][0])) {            case 'r':                shareMode = FILE_SHARE_READ;                break;            case 'w':                shareMode = FILE_SHARE_WRITE;                break;            case 'c':                shareMode = FILE_SHARE_READ;                sectorSize = 2048;                break;            default:                printf("%s is an invalid mode./n", argv[2]);                puts("/tr = read");                puts("/tw = write");                puts("/tc = read CD (2048 byte sector mode)");                return;        }    }    fileHandle = CreateFile(string,       accessMode,       shareMode,       NULL,       OPEN_EXISTING,       0,       NULL);    if (fileHandle == INVALID_HANDLE_VALUE) {        errorCode = GetLastError();        printf("Error opening %s. Error: %d/n",               string, errorCode);        PrintError(errorCode);        return;    }    //    // Get the alignment requirements    //    status = QueryPropertyForDevice(fileHandle, &alignmentMask, &srbType);    if (!status ) {        errorCode = GetLastError();        printf("Error getting device and/or adapter properties; "               "error was %d/n", errorCode);        PrintError(errorCode);        CloseHandle(fileHandle);        return;    }    printf("/n"           "            *****     Detected Alignment Mask    *****/n"           "            *****             was %08x       *****/n/n/n",           alignmentMask);//.........这里部分代码省略.........

//.........这里部分代码省略.........	info("Product Version: %s/n", client->version);	info("Product Build: %s/n", client->build);	if (client->flags & FLAG_CUSTOM) {		/* prevent signing custom firmware */		tss_enabled = 0;		info("Custom firmware requested. Disabled TSS request./n");	}	// choose whether this is an upgrade or a restore (default to upgrade)	client->tss = NULL;	plist_t build_identity = NULL;	if (client->flags & FLAG_CUSTOM) {		build_identity = plist_new_dict();		{			plist_t node;			plist_t comp;			plist_t info;			plist_t manifest;			info = plist_new_dict();			plist_dict_insert_item(info, "RestoreBehavior", plist_new_string((client->flags & FLAG_ERASE) ? "Erase" : "Update"));			plist_dict_insert_item(info, "Variant", plist_new_string((client->flags & FLAG_ERASE) ? "Customer Erase Install (IPSW)" : "Customer Upgrade Install (IPSW)"));			plist_dict_insert_item(build_identity, "Info", info);			manifest = plist_new_dict();			char tmpstr[256];			char p_all_flash[128];			char lcmodel[8];			strcpy(lcmodel, client->device->model);			int x = 0;			while (lcmodel[x]) {				lcmodel[x] = tolower(lcmodel[x]);				x++;			}			sprintf(p_all_flash, "Firmware/all_flash/all_flash.%s.%s", lcmodel, "production");			strcpy(tmpstr, p_all_flash);			strcat(tmpstr, "/manifest");			// get all_flash file manifest			char *files[16];			char *fmanifest = NULL;			uint32_t msize = 0;			if (ipsw_extract_to_memory(ipsw, tmpstr, &fmanifest, &msize) < 0) {				error("ERROR: could not extract %s from IPSW/n", tmpstr);				return -1;			}			char *tok = strtok(fmanifest, "/r/n");			int fc = 0;			while (tok) {				files[fc++] = strdup(tok);				if (fc >= 16) {					break;				}				tok = strtok(NULL, "/r/n");			}			free(fmanifest);			for (x = 0; x < fc; x++) {				info = plist_new_dict();				strcpy(tmpstr, p_all_flash);				strcat(tmpstr, "/");				strcat(tmpstr, files[x]);

/*start function*/int gravacao (){    system("title grava e le arquivo");    FILE *p;    char nome[20],tele[10], opcao;            p = fopen("dados.001","rt");        if (p==NULL){                                  printf("/n ....:Programa Dados Alunos:...../n/n");                 printf("/n arquivo nao existe...novo criado/n");                 p= fopen("dados.001","wt");                 if (p == NULL) return (-1);                 }else{                       printf("/t ....:Programa Dados Alunos:...../n/n");                       printf("/nlogado/n");                       fclose(p);                       p = fopen("dados.001", "at");                       }                while (1){                      printf("/n<C A D A S T R O>/n/n/n/n");                                            printf("/nNome :");                      scanf("%s", nome);                      printf("/nTelefone :");                      scanf("%s", tele);                                  printf("/nconfirma gravar este registro? [s/n]:");                 do{                      opcao = getchar();                      }while (tolower(opcao) != 's' && tolower(opcao) != 'n');                                            if (tolower(opcao) == ' '){                           fprintf(p, "%s %s/n", nome, tele);                           printf("/n registro gravado");                         }                                                  else{printf("/n registro nao gravado");                              }                                               printf("/ndeseja continuar gravando este registro? [s/n]:");                   do{                      opcao = getchar();                      }while (tolower(opcao) != 's' && tolower(opcao) != 'n');                      if (tolower(opcao) == 'n'){                           printf("fim da gravacao");                           break;}                                                        }                                                                                                                                                                              fprintf(p,"%s %s /n",nome, tele);                                                                                                                    fclose(p);                                                     main();            }

char* strlower(char * str) {//changes string in place  if (str==NULL) return NULL;  int i=0;  while (str[i]!=0) { str[i]=tolower(str[i]); i++; }  return str;}

bool startsiWith(const char* s, const char* prefix) { if (prefix==NULL || s==NULL) return false; int i=0; while (prefix[i]!='/0' && tolower(prefix[i])==tolower(s[i])) i++; return (prefix[i]=='/0'); }

OSCL_EXPORT_REF char oscl_tolower(const char car){    return tolower(car);}

void *processline(char *s) {	char name[80],value[80];	int nvstate = 0;	memset (name,0,sizeof name);	memset (value,0,sizeof value);	do {		*s = tolower(*s);		if ( *s == ' ' || *s == '/t')			continue;		if ( *s == ';' || *s == '#' || *s == '/r' || *s == '/n' )			break;		if ( *s == '=' ) {			nvstate = 1;			continue;		}		if (!nvstate)			strncat(name, s, 1);		else			strncat(value, s, 1);	} while (*(s++));	if (debug)		debugmsg("config: %s, %s", name, value);	if ( !strcmp(name,"host") )		add_server(value);	else if (!strcmp(name,"retryinterval") )		pc.retryinterval = atoi(value);	else if (!strcmp(name,"maxretries") )		pc.maxretries = atoi(value);	else if (!strcmp(name,"listenaddress") )		strcpy(pc.listen_addr, value);	else if (!strcmp(name,"listenport") )		pc.listen_port = atoi(value);	else if (!strcmp(name,"asteriskwritetimeout") )		pc.asteriskwritetimeout = atoi(value);	else if (!strcmp(name,"clientwritetimeout") )		pc.clientwritetimeout = atoi(value);	else if (!strcmp(name,"sslclienthellotimeout") )		pc.sslclhellotimeout = atoi(value);	else if (!strcmp(name,"authrequired") )		pc.authrequired = strcmp(value,"yes") ? 0 : 1;	else if (!strcmp(name,"acceptencryptedconnection") )		pc.acceptencryptedconnection = strcmp(value,"yes") ? 0 : 1;	else if (!strcmp(name,"acceptunencryptedconnection") )		pc.acceptunencryptedconnection = strcmp(value,"yes") ? 0 : 1;	else if (!strcmp(name,"certfile") )		strcpy(pc.certfile, value);	else if (!strcmp(name,"proxykey") )		strcpy(pc.key, value);	else if (!strcmp(name,"proc_user") )		strcpy(pc.proc_user, value);	else if (!strcmp(name,"proc_group") )		strcpy(pc.proc_group, value);	else if (!strcmp(name,"logfile") )		strcpy(pc.logfile, value);	else if (!strcmp(name,"autofilter") )		pc.autofilter = strcmp(value,"on") ? 0 : 1;	else if (!strcmp(name,"outputformat") )		strcpy(pc.outputformat, value);	else if (!strcmp(name,"inputformat") )		strcpy(pc.inputformat, value);	return 0;}

//Format://caid:prov:srvid:pid:chid:ecmlen=caid:prov:srvid:pid:chid:ecmlen[,validfrom,validto]//validfrom: default=-2000//validto: default=4000//valid time if found in cachestatic struct s_cacheex_matcher *cacheex_matcher_read_int(void){	FILE *fp = open_config_file(cs_cacheex_matcher);	if(!fp)		{ return NULL; }	char token[1024];	uint8_t type;	int32_t i, ret, count = 0;	struct s_cacheex_matcher *new_cacheex_matcher = NULL, *entry, *last = NULL;	uint32_t line = 0;	while(fgets(token, sizeof(token), fp))	{		line++;		if(strlen(token) <= 1) { continue; }		if(token[0] == '#' || token[0] == '/') { continue; }		if(strlen(token) > 100) { continue; }		for(i = 0; i < (int)strlen(token); i++)		{			if((token[i] == ':' || token[i] == ' ') && token[i + 1] == ':')			{				memmove(token + i + 2, token + i + 1, strlen(token) - i + 1);				token[i + 1] = '0';			}			if(token[i] == '#' || token[i] == '/')			{				token[i] = '/0';				break;			}		}		type = 'm';		uint32_t caid = 0, provid = 0, srvid = 0, pid = 0, chid = 0, ecmlen = 0;		uint32_t to_caid = 0, to_provid = 0, to_srvid = 0, to_pid = 0, to_chid = 0, to_ecmlen = 0;		int32_t valid_from = -2000, valid_to = 4000;		ret = sscanf(token, "%c:%4x:%6x:%4x:%4x:%4x:%4X=%4x:%6x:%4x:%4x:%4x:%4X,%4d,%4d",					 &type,					 &caid, &provid, &srvid, &pid, &chid, &ecmlen,					 &to_caid, &to_provid, &to_srvid, &to_pid, &to_chid, &to_ecmlen,					 &valid_from, &valid_to);		type = tolower(type);		if(ret < 7 || type != 'm')			{ continue; }		if(!cs_malloc(&entry, sizeof(struct s_cacheex_matcher)))		{			fclose(fp);			return new_cacheex_matcher;		}		count++;		entry->line = line;		entry->type = type;		entry->caid = caid;		entry->provid = provid;		entry->srvid = srvid;		entry->pid = pid;		entry->chid = chid;		entry->ecmlen = ecmlen;		entry->to_caid = to_caid;		entry->to_provid = to_provid;		entry->to_srvid = to_srvid;		entry->to_pid = to_pid;		entry->to_chid = to_chid;		entry->to_ecmlen = to_ecmlen;		entry->valid_from = valid_from;		entry->valid_to = valid_to;		cs_log_dbg(D_TRACE, "cacheex-matcher: %c: %[email
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