cant understand much
this is the code
{
char *tok, *str;
str = calloc (50, sizeof(char));
tok = strtok(str1, " ");
while(tok)
{
if(strcmp(tok,str2)!=0)
{
strcat(str, tok);
strcat(str, " ");
}
tok = strtok(NULL, " ");
}
strcpy(str1, str);
return str;
}
what is the function of while(tok) i cant figure it out...
whats it purpose.....