A standard C function that returns the length of a string.
This function calculates the length of the string, excluding the terminating null byte \0. It is defined in the <string.h> standard header.
Questions tagged [strlen]
692 questions
2
votes
1 answer
Strlen() and Non-Latin Characters
I have this code case strlen($search_term) > 15: in my switch statement. I cannot figure out why Greek characters are parsed different. For example a string in Latin with the length of 10 passes the case but if the string is in Greek, it does…
Makis
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2
votes
1 answer
Does strlen() always correctly report the number of char's in a pointer initialized string?
As long as I use the char and not some wchar_t type to declare a string will strlen() correctly report the number of chars in the string or are there some very specific cases I need to be aware of? Here is an example:
char *something = "Report all…
lord.garbage
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2
votes
5 answers
My jQuery and PHP give different results on the same thing?
Annoying brain numbing problem.
I have two functions to check the length of a string (primarily, the js one truncates as well) heres the one in Javascript:
$('textarea#itemdescription').keyup(function() {
var charLength = $(this).val().length;
…
Stefan P
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2
votes
3 answers
How to find words with length >5 using just 1 array?
I want the user to enter text and that the program finds all words which are bigger than 5 letters and prints them out.
scanf("%[^\n]s", ar);
l = strlen(ar);
for (n = 0; n < l; n++) {
while (ar[n] != ' ') {
if (ar[n] != ' ') {
…
user4273614
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2
votes
5 answers
strlen does not return the right length
I'm currently using strlen method to calculate the lenght of this string :
56 69 56 4F 74 65 63 68 32 00 2C 00 00 27 6F 23 84 0E 32 50 41 59 2E 53 59 53 2E 44 44 46 30 31 A5 11 BF 0C 0E 61 0C 4F 07 A0 00 00 00 04 10 10 87 01 01
the main problem…
Sara Sara
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2
votes
3 answers
strlen gives larger number than the size of an array
This might be trivial and I hope someone could explain this. Why strlen is giving me larger number than this real size of char array instead of 4:
Here is my code:
#include
#include
int main ()
{
char szInput[4];
…
Samer
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2
votes
2 answers
PHP strlen() function abnormal behaviour in enterkey count
I am trying to find the count of following text in php using strlen() function,
Akilan
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2
votes
2 answers
Count consecutive occurence of specific, identical characters in a string - PHP
I am trying to calculate a few 'streaks', specifically the highest number of wins and losses in a row, but also most occurences of games without a win, games without a loss.
I have a string that looks like this; 'WWWDDWWWLLWLLLL'
For this I need to…
user3061608
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2
votes
3 answers
Gnuplot, how I get the length of an value?
I want to know the number of characters of a value.
but strlen ( ) is only for strings , not for values.
( strlen(value("zon")) does not work)
Example: zon = 12000, len value is 5.
Is this possible with gnuplot?
Con
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votes
1 answer
Uninitialized string offset while calculating string length without using strlen()
";
for ($i = $length - 1; $i >= 0; $i--) {
echo $a[$i];
}
?>
tried to calculate the string…
Neha Shekhawat
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2
votes
5 answers
PHP strlen question
Ok I am checking that a string is at least 4 characters long and 25 or less characters short
I tried to use strlen like this
$userNameSignupLength = strlen($userNameSignup);
else if($userNameSignupLength<4 && $userNameSignupLength>25) {
…
MrEnder
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2
votes
3 answers
difference between sizeof and strlen in C linux
The first printf statement is giving output 3 and second giving 20.
Can anybody please explain what's the difference between the two here?
char frame[20],str[20];
printf("\nstrlen(frame)= %d",strlen(frame));
printf("\nsizeof(frame) =…
user3542109
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2
votes
1 answer
Writing to a char array after fgets call causes it to be empty according to strlen
as the problem i was having was assignment related and has been solved i've decided it remove the code. Thanks for the help.
choczy
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2
votes
1 answer
C - Reading strings from a text file and arranging them by size
I want to read strings from a text file (one string/word per line) and then arrange them by size.
This is my code:
void readDic(char* file)
{
FILE* fr;
fr=fopen(file, "rt"); // opening the text file
char line[MAX_LINE_SIZE];
char*…
TheStiff
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2
votes
2 answers
c fgets retrieves the whole array?
I have a file named phobebook where i retrieve the number of contacts I have(here the int is assigned on variable cc), then saved the names, address etc.
problem is when I display the info, the details are there but they are separated with new…
user3266210
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