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c - check the null terminating character in char* - Stack Overflow

stackoverflow.com

I was just trying to see how to check for the null terminating character in the char * array but I failed. I can find the length using the for loop

parsing - How to strip all non-alphabetic characters... - Stack Overflow

stackoverflow.com

How could you remove all characters that are not alphabetic from a string? What about non-alphanumeric? Does this have to be a custom function or are there also more generalizable solutions?

10.19.2 Коды символов ASCII | Char

book.itep.ru

Другие символы. NUL. Null. (No character- нет данных). Используется для передачи в случае отсутствия данных.

initializing char arrays to null | Forum

cboard.cprogramming.com

> char array[SIZE] = {0}; Nothing wrong with this. It just assumes that the remaining SIZE-1 elements are also zero, so that's it, job done.

strcat() and null chars question | Forum

cboard.cprogramming.com

When using strcat() to combine two strings, are both null characters preserved? Or is one of them lost, so that only one null character exists at the end of the new, larger string? Thanks in advance for your time and patience in answering this...

Заметка про NULL / Хабр

habr.com

Даже выражение NULL != NULL не будет истинным, ведь нельзя однозначно сравнить одну неизвестность с другой. Кстати, ложным это выражение тоже не будет, потому что при вычислении условий Oracle не ограничивается состояниями ИСТИНА и ЛОЖЬ.

SQL Injection Cheat Sheet | Netsparker

www.netsparker.com

SELECT CHAR(0x66) (S) SELECT 0x5045 (this is not an integer it will be a string from Hex) (M) SELECT 0x50 + 0x45 (this is integer now!)

Использование значения NULL в условиях поиска | Интерактивный...

www.sql-tutorial.ru

Предикат IS NULL позволяет проверить отсутствие (наличие) значения в полях таблицы. Использование в этих случаях обычных предикатов сравнения может привести к неверным результатам, так как сравнение со значением NULL дает результат UNKNOWN (неизвестно).

sscanf( char *, format [ , address . . . ] )

www.cs.uic.edu

An empty string, "", consists of only the null byte, and is considered to have a string length of zero, because the terminating

set char to null or the equivalent of zero

social.msdn.microsoft.com

Is there a way to set a char variable to 0 or null or something so that it will basically reset my control variable.

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