please, 1)i want to konw if there is any function that Search for a certain character,nut without using the 'read' function thank you

Search for a charactter in a file

Topic		Replies	Views
How to find a string on text file, and write after a "," comma a value Programming	13	6988	May 5, 2021
Frage zu SD Byteweise auslesen Deutsch	6	1448	May 6, 2021
Readline Deutsch	3	4578	May 6, 2021
reading only the first character in a line on the SD card Storage	13	8359	May 6, 2021
Reading and writing files Syntax & Programs	4	1171	May 6, 2021