STRLEN () doesnt return a expected number - Arduino Forum
Dec 13, 2024 · I know this function cant go wrong so I must be doing something wrong. bool newData = true; char *AXpos; char *EYpos; const char *delimiter = ","; //char …
strlen () and sizeof () - Programming - Arduino Forum
May 22, 2020 · strcat(hi, extra); The hi array was declared with a length of 3. It does not increase in size just because you concatenated another string to it. strlen(), however, uses the '\0' to …
strlen() - keep the length of the string in a variable
Dec 23, 2015 · Good points, Paul and Lloyd. My answer was too brief. I just take it as given that 'strlen()' doesn't include the terminating null character, and also should have addressed the …
How to Use strlen_P - Programming - Arduino Forum
May 3, 2019 · Hi, Can anyone offer advice on how to use strlen_P to obtain the length of a string in progmem? In the example below, each of the four strings is length 1, 2, 3, and 4. But the …
Frage zu CharArray strlen () und Umlaut - Arduino Forum
Aug 19, 2021 · dass du deine zeichen auf UTF-8 prüfst. Ich hatte die Hoffnung, das an Stelle von strlen() mir irgendwas das abnimmt.
strlen and PROGMEM - Programming - Arduino Forum
Jan 4, 2020 · strlen_P(reinterpret_cast<const char *>(text)) Reinterpret_cast is dangerous, and can only be used in a very limited number of cases: reinterpret_cast conversion - …
The strnlen () C Function Is Not Available - Arduino Forum
Jun 28, 2023 · Both of the following statements work on an Arduino Uno WiFi Rev2 board but the second statement does not work on the new Arduino Uno R4 WiFi board. Serial.print("strlen = …
Reading emails using IMAP - how to access the text in the mail
Jan 26, 2025 · Hi Stefan, The project is a mains power supply monitor; it has a trickle charged battery which powers the ESP32, the house router and the line terminating unit (in the UK, …
Sizeof one strings in an 2D array - Arduino Forum
Apr 26, 2010 · The strlen function counts the number of non-NULL values in the array, before the first NULL. By convention NULL is the value of a pointer . It is only a convention, but so are …
strlen issue - Programming - Arduino Forum
May 31, 2015 · I seem to he having an issue with the strlen() call. If I create a string say "char data[20]" and make that "this is a test\\r\\n" I get back a length of 16 Although that should …