#include <stdio.h>
#include <string.h>
int main(int argc, char* argv[])
{
char text1[256];
int h;
char text2[256]="";
char* token;
char delimiters[]=" ";
char bukvy[]="AaBbCcDdEeFfGgJjHhIiGgKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz";
char cyfry[]="1234567890";
int isvar=1, i;
fgets(text1,255,stdin);
h=strlen(text1);
if(text1[h-1]=='\n') text1[h-1]='\0'; /* get rid of \n*/
h=strlen(text1);
printf("stroka \"%s\" dlinoj %d symvolov\n",text1,h);
/* analiziruem slovo za slovom */
token = strtok (text1, delimiters); /* token => words */
while(token!=NULL)
{
isvar=1;
/* token - ukazatel' na slovo iz stroki text1 */
printf("--- slovo \"%s\" dlinoj %d simvolov\n",token,strlen(token));
/* nado proverit' chto pervyj symvol v token est' bukva */
if(memchr (bukvy, (char)token[0], strlen(bukvy)) != NULL)
{ printf(" pervaya bykva %c ok\n",(char)token[0]);
/* nado proverit' chto vse ostal'nye symvoly v token est' bukvy i cyfry */
for(i=1;i<strlen(token);i++)
{
if((memchr (bukvy, (char)token[i], strlen(bukvy)) == NULL)&&\
(memchr (cyfry, (char)token[i], strlen(cyfry)) == NULL))
{
/* etogo symvola token[i] net ni v buvah, ni v cyfrah*/
printf(" slovo \"%s\" ne est\' peremennaya iz-za \"%c\"\n",token,(char)token[i]);
isvar=0;
}
}
}
else isvar=0;
if(isvar==1)
{ printf("slovo %s - imya peremennoj\n",token);
if(strlen(text2)==0)sprintf(text2,"%s", token);
else sprintf(text2,"%s %s",text2, token);
}
token = strtok (NULL, delimiters);
}
printf("\n\nVse peremennye: %s\n",text2);
return 0;
}
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