char array questions [solved]


question1: if have variables like:

code: [select]


byte keys = 7;
char mystring[10] = "-3.141";



what preferred way add value of "keys" @ end of "mystring", "mystring" becomes  (in case) "-3.1417" ?

question2: there command assign new string char array ? when using string class there assignment operator how do char array ? need assign every element individually 1 one ?

question3: there command add/remove first or last char in char array ?

take @ strcat strcpy , strlen.


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